Modern Nanotechnologies

06.09.2025

Modern Nanotechnologies

Oleg L. Figovsky

From 2000 to 2025, more than 1,07 million nanotechnology patents were issued worldwide, of which 464000 were issued by China. According to the White Paper «China Nanotechnology Industry 2025» released at the Beijing Nanotechnology Forum, China’s share is larger than the combined total of the United States, Japan, and the Republic of Korea. The white paper said that China has accounted for 43% of the world’s total nanotechnology patents over the past 25 years, ranking first in the world. China’s patent portfolio is mainly concentrated in key areas including semiconductor devices, catalytic chemistry, biomedicine, and new materials.

The Chinese Academy of Sciences ranks first among the world’s patent holders with 23400 patents. The patent transfer and licensing rate of nanotechnology patents in China has exceeded eight percent, reflecting the continuous improvement of commercialization efficiency. As of May 2025, the number of nanotechnology enterprises in China exceeded 34500, including 739 registered companies, with a total of 9,92 million employees. The global nanotechnology market is projected to grow to US$1,5 trillion by the end of 2025, with a compound annual growth rate of over 17% from 2018 to 2025, the paper said. Below are given a lot of novel patents on the area of modern nanotechnologies.

US2025264434 (A1) - Nanotechnology-enabled, printable biosensors for diseases detection and method of producing thereof.

The present invention relates to the design and production of fully printable, flexible, light-weight, portable biosensors for diagnosis, monitoring and screening of diseases or other conditions with high selectivity and accuracy, even at nano scale, with rapid response time, as well as to a robust, reliable method for mass production of nanotechnology enabled sensing devices with high selectivity and specificity for early detection, screening and prevention of life-threatening conditions like heart attack and its internet connectivity for data transferring and streamlining patient care. Roll-to-Roll Printing Technology enables mass production and cost-effective manufacturing of the biosensors. Cutting-edge in-line and ex-situ characterization tools guarantees the robust quality control of the fully printable biosensors during manufacturing to ensure their optimizing performance. This invention further relates to a biofunctionalization of the biosensors enabling the detection of ultra-low levels of the biomarkers of interest for primary therapeutic intervention. These biosensing devices apply to wearables, biomedical, personalized medicine, point-of-care diagnostics, predictive tools, diagnosis, screening, risk assessment and prognosis of diseases, sports, athlete safety monitoring, injury management, performance and fitness optimization, remote vital signs, health or recovery monitoring, personalized patient monitoring, food processing applications, agriculture, pharmaceuticals, telemedicine applications, cosmetics packaging, bioterrorism, implantable devices, medical equipment and other, but not limited thereto.

WO2025161222 (A1) - Nano-material-containing composition and preparation method therefor and use thereof, and fracturing fluid.

The present invention relates to the fracturing technology, and in particular to a nano-material-containing composition and a preparation method therefor and a use thereof, and a fracturing fluid. The composition comprises a nano material and a solvent. The hydrodynamic particle size of molecular aggregates of the composition satisfies: D10<30 μm, D50=50-150 μm, and D90=150-300 μm. The preparation method for the composition comprises: after hydroxylation of gas-phase nanosilicon dioxide in a solvent, making gas-phase nanosilicon dioxide come into contact with a monomer represented by formula in the presence of an initiator, and activating the resulting product and then mixing same with a fluorocarbon surfactant. Also provided are a use of the composition in a fracturing fluid and a fracturing fluid containing the composition. The composition can facilitate rapid flowback of a fracturing fluid from a reservoir, thereby reducing the damage to the reservoir.

WO2025161225 (A1) - Acid-soluble nano material and preparation method therefor and use thereof, and fracturing fluid.

An acid-soluble nano material and a preparation method therefor and a use thereof, and a fracturing fluid, relating to petrochemical technology. The hydrodynamic particle size D10 of molecular aggregates of the acid-soluble nano material in water is 2-10 μm, D50 is 8-31 μm, and D90 is 20-90 μm. The preparation method for the acid-soluble nano material comprises: carrying out hydroxylation treatment on an unsaturated fatty monoacid, and carrying out a contact reaction between the hydroxylated unsaturated fatty monoacid and a nano carbonate raw material; and carrying out amination treatment on a product of the contact reaction, wherein the nano carbonate raw material contains a nano calcium carbonate raw material and/or a nano magnesium carbonate raw material. The acid-soluble nano material has the dissolution performance meeting fracturing construction requirements, can realize multi-size plugging in a compact reservoir and improve the plugging rate of a pore throat, and can enter the pore throat for adsorption and space occupation to reduce the retention amount of the fracturing fluid, thereby reducing damage to the reservoir.

KR20250115076 (A) - Antenna electrode and manufacturing method using nano-hybrid technology.

The present invention relates to an antenna electrode and a method for manufacturing the same, which maintains high precision, high bonding strength, and high thermal conductivity while solving stress fracture problems in an antenna electrode for 5G or 6G by using nanohybrid technology without using an adhesive by using ultra-high-density metal ion plasma, and which comprises an electrode substrate, a composite mixed layer provided on the electrode substrate, and a metal electrode layer provided on the composite mixed layer, wherein the electrode substrate, the composite mixed layer, and the metal electrode layer are formed integrally, thereby solving the problem of reduced durability in a long-term high-temperature environment, etc.

US2025241860 (A1) - Hollow multilayer metal-organic-framework material and preparation method and application thereof.

A hollow multilayer MOF material and its preparation method and application relates to the field of nano drug delivery therapy technology. A ZIF-67@ZIF-8@ZIF-67@ZIF-8 hollow multilayer MOF material is applied as a thrombus drug nanocarrier to prepare drugs for thrombus treatment. In vitro experiments indicate that the thrombus drug nanocarrier has an efficient targeting effect and an excellent sustained release effect in combination with streptokinase and warfarin, and the thrombus drug nanocarrier has a good therapeutic effect and the long-term anticoagulant effect.

LU600051 (B1) - A cellulose nanocrystal reinforced foam system and its preparation method.

The present invention provides a cellulose nano crystal reinforced foam system and its preparation method, reinforced foam system, including the following weight percentage components: foam blowing agent 0,1% to 0,3%, foam stabilizers 0,2 to 0,5%. The margin is deionized water. The invention also includes the preparation method of the above-mentioned reinforced foam system. The present invention can effectively improve the stability of the foam system, reduce production costs, and effectively solve the problem of weak foam effect and high production cost in the existing technology.

MX2023005810 (A) - The invention relates to polymeric berberine nanoparticles and to the use thereof as an antiparasitic agent.

The present invention describes polymeric nanoparticles (NPs) of the berberine alkaloid and their use as an antiparasitic agent, wherein said use on the parasites E histolytica and T vaginalis was evaluated. The nano-encapsulated berberine nanoparticles in the polymer proved to be more effective than their unencapsulated treatment. None of the formulations exhibited hemolytic activity on human erythrocytes in active concentrations against said parasites. The present invention belongs to the field of pharmaceutical technology and natural products used for the treatment of parasitic diseases of importance in public health.

WO2025146792 (A1) - Solid oxide electrolysis cell and use of same.

Disclosed is a technology with which it is possible to suppress the occurrence of a crack in a solid electrolyte layer. This solid oxide electrolysis cell comprises: an air electrode containing a composite oxide having a perovskite structure; a fuel electrode; and a solid electrolyte layer disposed between the air electrode and the fuel electrode. In the fuel electrode, nano-cracks are formed in an interface region within 10 μm from an interface on the solid electrolyte layer side and a surface region within 10 μm from a surface opposite to the solid electrolyte layer side, and the number of nano-cracks is larger in the surface region than in the interface region.

TW202516601 (A) - Nanofabrication and design techniques for 3D ICS and configurable ASICS.

Various embodiments of the present technology provide for the ultra-high density heterogeneous integration, enabled by nano-precise pick-and-place assembly. For example, some embodiments provide for the integration of modular assembly techniques with the use of prefabricated blocks (PFBs). These PFBs can be created on one or more sources wafers. Then using pick-and-place technologies, the PFBs can be selectively arranged on a destination wafer thereby allowing Nanoscale-aligned 3D Stacked Integrated Circuit (N3-SI) and the Microscale Modular Assembled ASIC (M2A2) to be efficiently created. Some embodiments include systems and techniques for the construction of construct semiconductor devices which are arbitrarily larger than the standard photolithography field size of 26 x 33mm, using pick-and-place assembly.

MX2024014245 (A) - System and method for capturing and converting greenhouse gases.

A system and device consisting of a high-electric field nano-pulse generator has been developed. Also, an assembled arrangement with nanomembrane and electrodes, and this previous device is proposed. In general terms, this new technology can be used to capture and convert carbon dioxide, methane or other greenhouse gases, to a broad range of carbon-based compounds and hydrogen. Also, this invention relates to an electrochemical cell that has specific and novel properties associated with new membrane-electrodes assemblies. Preferably, these assemblies associated with high electric fields provide specific conditions for greenhouse gases capturing and conversion in selective and efficient ways. In particular, these conditions are related to the commonly known plasma technology. This invention includes the purification steps before and after of the greenhouse gas conversion cell, called nano-filters. Therefore, a carbon capture system, method, and device are proposed. Data collected by the system are fed to an artificial intelligence.

WO2025137720 (A1) - Applications of electric nano pulsing (enp) technology.

Systems for material grain boundary engineering are described. The system is for releasing stored electric energy into polycrystalline materials within micro to nano seconds for quasi-instantaneous processing of polycrystalline materials by means of modifying grain boundary structures, microstructure and properties of the polycrystalline material.

WO2025129759 (A1) - Dense electrode fabric having multi-layer micro-nano structure, manufacturing method therefor, and electrochemical device.

Disclosed in the present invention are a multi-layer micro-nano dense electrode fabric, a manufacturing method therefor, and an electrochemical device. In the present invention, a multi-layer micro-nano structure is manufactured on a surface of a carbon nano material conductive fiber by means of electrostatic spinning and liquid phase coating methods, and the conductive fiber is used to prepare a densely arranged alternating electrode fabric by using a weaving method. The fabric has a high specific surface area, and the thickness of the fabric does not exceed 0,1 mm. The fabric is loaded with a nano-particle electrochemical oxidation catalyst, is used for wastewater treatment by an electrolytic method, is made into a wastewater treatment device, has the characteristics such as high water flux, low energy consumption, low cost, bending resistance, and rubbing resistance, is suitable for various liquid-phase electrolytic water purification devices, and is also suitable for indoor gas pollutant elimination and infectious disease pathogen inactivation. The technology meets a wide range of market demands.

CN120204390 (A) - Bio-orthogonal activated sound-sensitive agent, nano-particles, preparation method and application of bio-orthogonal activated sound-sensitive agent and nano-particles.

The invention belongs to the technical field of biological medicines, and particularly relates to preparation and application of an activatable nano sound-sensitive agent based on a biological orthogonal technology, which can realize the functions of targeted delivery to a focus part, precise cell membrane anchoring and click chemistry in-situ activation of the sound-sensitive agent. According to the bio-orthogonal activated sonosensitizer, the molecular structure of a traditional sonosensitizer is modified through a bio-orthogonal functional group Tz, an «OFF-ON» type sonosensitizer material is prepared, and the functions of targeted delivery, precise cell membrane anchoring and click chemistry in-situ activation of the sonosensitizer on a focus part can be achieved.

CN120210750 (A) - High-temperature anti-oxidation wide-temperature-range self-lubricating bionic nanocrystalline coating and preparation method thereof.

The invention belongs to the field of high-temperature corrosion and self-lubrication, and particularly relates to a high-temperature anti-oxidation wide-temperature-range self-lubricating bionic nanocrystalline coating and a preparation method thereof. The coating is prepared by adopting a high-power pulse magnetron sputtering technology, taking a nickel-based or cobalt-based high-temperature alloy as a target material and alternately doping oxygen into interlayers in the deposition process, the prepared coating has a shell-imitating multilayer structure and is composed of compact nanoscale columnar crystal grains, oxygen-doped layers and non-oxygen-doped layers are alternately arranged, and the oxygen-doped layers and the non-oxygen-doped layers are alternately arranged. On the basis of oxygen element doping and nano bionic structure design, surface friction induces nano crystal grains to deflect, a friction product with anti-oxidation and self-lubricating effects is formed, the key problem that in the prior art, strength, hardness, fracture toughness, frictional wear and anti-oxidation performance of a surface protection coating are difficult to coordinate is solved, and the surface protection coating has the advantages of being high in practicability and wide in application prospect. The material can be applied to wide-temperature-range relative movement and transmission parts in the atmospheric environment.

CN120204138 (A) - Preparation method and application of spray curing nano-carrier powder for improving bioavailability of silymarin.

The invention discloses a preparation method and application of silymarin spray curing nano-carrier powder, and relates to the technical field of medicines and the field of foods. The method comprises the following steps: firstly, constructing a silymarin-carrier compound through a molecular self-assembly technology, and then, carrying out curing treatment on a nano-carrier by adopting a spray drying technology, so as to obtain nano-powder with good flowability. According to the preparation method disclosed by the invention, the silymarin spray curing nano-carrier powder with a core-shell structure is successfully prepared by optimizing a carrier material ratio and spray drying conditions. Experimental results show that the spray-cured nano-carrier powder prepared by the method significantly improves the solubility and stability of silymarin, and enhances the bioavailability and efficacy, so that silymarin can be more efficiently absorbed and released in a targeted manner in vivo, thereby significantly improving the therapeutic effect.

CN120213091 (A) - High-temperature co-sintered multilayer special-shaped ceramic high-temperature sensor and preparation method thereof.

The invention is applicable to the technical field of ceramic high-temperature sensors, and provides a high-temperature co-sintered multilayer special-shaped ceramic high-temperature sensor and a preparation method thereof. The ceramic high-temperature sensor sequentially comprises a protective layer, a functional layer, an insulating layer and a supporting layer, and metal electrode networks are printed on the functional layer and the supporting layer; according to the high-temperature co-sintered multilayer special-shaped ceramic high-temperature sensor, zirconium oxide and aluminum oxide are used as matrixes, lanthanum oxide and yttrium oxide are added, the microstructure and performance of ceramic are optimized, the ceramic has higher high-temperature resistance, mechanical strength and stability, the nano Al₂O₃ is doped with platinum-iridium alloy ink, and the high-temperature co-sintered multilayer special-shaped ceramic high-temperature sensor has the advantages that the high-temperature co-sintered multilayer special-shaped ceramic high-temperature sensor is more stable in performance. The problem of interface failure of metal and ceramic at high temperature is solved, the electrode made of high-temperature-resistant metal ink is printed on the ceramic layer through the 3D printing technology, good binding force and conductivity exist between the electrode and the ceramic layer, and the electrode can stably work in the high-temperature environment.

CN120190342 (A) - Direct connection method for Ti-Al powder and Ti-Al target material.

The invention discloses a direct connection method of Ti-Al powder and a Ti-Al target material, which is based on a spark plasma sintering (SPS) technology, and can realize high-quality connection of the powder and the target material by optimizing SPS process parameters and matching with the steps of material preparation, target material pretreatment, die filling, furnace filling, sintering, cooling recovery and the like. According to the direct connection method for the Ti-Al powder and the Ti-Al target material, the recycled Ti-Al target material is treated, and then the treated Ti-Al target material and the Ti-Al nano powder are subjected to spark plasma sintering (SPS), so that the Ti-Al nano powder and the recycled Ti-Al target material are rapidly fused in a short time, and the purpose of repairing the Ti-Al target material is achieved; and the method is short in production period, high in efficiency, uniform in component and structure, small in grain size and few in internal defect, and has great production and popularization value.

CN120192178 (A) - Sand grain with water storage structure as well as preparation method and application of sand grain.

The invention discloses sand grains with a water storage structure and a preparation method and application thereof. The method comprises the steps that S1, sand grains with the grain size ranging from 0,1 mm to 1 mm are selected, the grain size distribution meets the condition that D50 is equal to 0,3 mm, clay impurities are screened out, and the sand grains are placed on a sand grain base plate after being cleaned and dried; S2, nano silicate powder is uniformly sprayed on the surfaces of the sand grains through an electrostatic spraying technology, so that a silicate glass layer is formed on the surfaces of the sand grains; S3, a microarray lens is used for dividing a laser source into multiple laser beams, each laser beam irradiates the silicate glass layer on each sand grain in a one-to-one mode, silicate powder and the surface layers of the sand grains are co-melted, and then an amorphous net-shaped structure is formed; S4, argon is used for spraying the amorphous net-shaped structure so that the amorphous net-shaped structure can be rapidly cooled, and then a porous heterojunction structure is formed on the surface of the sand grains; and S5, scanning the silicate glass layer by using the laser again, so that the part of the silicate glass layer is molten again, silicate is decomposed to generate gas, and cooling and curing are performed after bubbles are formed in the molten glass. According to the invention, the sand grains have a certain water storage characteristic.

CN120179208 (A) - True random number generator and generation method based on ferroelectric domain wall.

The invention provides a ferroelectric domain wall-based true random number generator and a generation method, and the method employs a possible condition of a great number in random nucleation of an electric domain in a ferroelectric material and domain wall expansion motion as an entropy source, and employs a random current generated by a ferroelectric domain wall conductive effect to achieve high-quality true random bit generation. A ferroelectric memory cell is etched on a ferroelectric material substrate by using a micro-nano processing technology, and electrodes are deposited at two ends of the ferroelectric memory cell to form a device structure. When an electric pulse exceeding the domain coercive voltage of the ferroelectric storage unit is applied, the ferroelectric domain is triggered to overturn randomly, and a random conductive domain wall is generated between the ferroelectric storage unit and the substrate, so that an electrode-domain wall-electrode conductive path is formed. Random domain wall current is sampled and compared by means of a control circuit, and high-speed and low-power-consumption random bit output is achieved. The device is simple in structure, small in size, easy in high-density integration, suitable for various ferroelectric materials with the characteristic of randomly generating the conductive domain wall, and good in compatibility and wide in application prospect.

CN120173945 (A) - Target adjustable nano pesticide, preparation method and application.

The invention discloses a target-adjustable nano-pesticide, a preparation method and application, the target-adjustable nano-pesticide is prepared by creatively combining rugocitrinolide with a double-stranded RNA (Ribonucleic Acid) small groove in a groove mode to form a rugocitrinolide-double-stranded RNA compound based on an RNAi (Ribonucleic Acid Interference) technology, and wrapping the rugocitrinolide-double-stranded RNA compound with a chitosan shell. The nano-pesticide can significantly improve the stability of dsRNA so as to improve the RNA interference efficiency; moreover, the pesticide has good wettability and biocompatibility, is green and environment-friendly, and can be used as a substitute for a traditional pesticide; the dsRNA sequence can be designed in a targeted manner according to the actual occurrence condition of field diseases, targeted prevention and control of different pathogenic bacteria are realized by utilizing the difference and specificity of the sequence, and the application potential is huge.

WO2025120385 (A1) - Production method of hybrid nanomodified oil for power distribution transformers cooling system.

In this invention, nanotechnology and nanomaterials have been used to create a hybrid nano fluid oil to improve the cooling performance, electrical insulation and heat transfer in power transformers. In order to achieve an easy, fast, low-cost solution, a simple method was used to produce the nano-oil. The product is a hybrid of metal oxide nanoparticles and a wide range of surface stabilizers to stabilize the dispersion of particles. One of the aims of this invention is to increase the thermal conductivity of the oil which improves the heat transfer performance and to be poured directly into the tank of power distribution transformers. Another achievement of this invention is the improvement in the physical and electrical properties of the oil, including density, viscosity, and dielectric breakdown point.

The Israeli company Nanotech Technology (director R&D academician Oleg Figovsky) is leading on Green Nanotechnologies and creates a lot of patents such as:

US2018067023 (A1) - method and apparatus for manufacturing membranes by processing thin-film materials with a flow of electrically charged solid particles.

Proposed is a reliable and cost-effective universal material tester with reduced cross-talk between the sensors. The sensor unit consists of a pressure-sensor unit that measures a vertical force applied to the test probe during movement of the test probe relative to the test specimen and a horizontal force sensor unit for measuring the horizontally directed friction force. The horizontal force sensor unit is made in the form of a flexible parallelogram consisting of two sensor-holding plates interconnected through flexible beams, wherein one end of the first beam is attached to the upper sensor-holding plate and the opposite end to the lower sensor-holding plate, while one end of the second beam is attached to the lower sensor-holding plate and the other to the upper one. The beams are installed with gaps relative to both plates. The tester has a quick-release test probe that incorporates a soft-touch feature.

US2016244550 (A1) - hybrid epoxy-amine hydroxyurethane-grafted polymer.

Described is a linear hybrid epoxy-amine hydroxyurethane-grafted polymer with the following structure of the polymer backbone unit: where R′ is a residue of a diglycidyl ether (epoxy resin); R1 is a residue of a di-primary amine; R2 and R3 are residues of monocyclic carbonate and are selected from the group consisting of H, alkyl C1-C2, and hydroxymethyl; and at least one of R2 and R3 is hydrogen. The described polymer may be used in manufacturing of liquid leather materials.

US2013264737 (A1) - method of manufacturing a track membrane.

Method of manufacturing track membranes by penetration of working substances into and through the membrane matrix of polymer material is disclosed. The matrix is placed into holder that is inserted into one end of a tubular shell, the other end of which contains a cartridge with an explosive material and a working substance in the form of a supersaturated solution of a water-soluble salt. When the explosive material is detonated, the particles of the water-soluble salt interact with the matrix in the form of a high-speed jet with the velocity of particles in the range of 3800 to 4200 m/sec. As a result of penetrating of the particles into and through the material of the matrix, a plurality of holes is formed in the matrix. The track membranes are produced by slicing the membrane matrix after removal of the residue of the particles by washing the pierced membrane with water.

CA2767784 (A1) - Method of producing hybrid polyhydroxyurethane network on a base of carbonated-epoxidized unsaturated fatty acid triglycerides.

A method of obtaining hybrid polyhydroxyurethane compositions cross-linked at ambient temperatures. The method comprises: (a) reacting epoxidized unsaturated fatty acid triglycerides with carbon dioxide in the presence of a catalyst to obtain carbonated-epoxidized unsaturated fatty acid triglycerides, wherein conversion of oxirane groups to 2-oxo-1,3-dioxolane groups (cyclic carbonate groups) for said carbonated-epoxidized unsaturated fatty acid triglycerides ranges from 35% to 85%; (b) mixing and reacting the carbonated-epoxidized unsaturated fatty acid triglycerides with a compound having amine functionality comprising at least one primary amine group realized at stoichiometric or within nearly balanced stoichiometry; (c) mixing and reacting the product of step (b) with a compound having amine functionality comprising at least two primary amine groups realized at excess of an amine-functional compound; (d) subsequently mixing the product of step (c) with a compound having amino-reactive groups.

US2012168541 (A1) - Methodand apparatus for manufacturing submicron polymer powder.

A method and apparatus for manufacturing a submicron polymer powder from solid polymer bodies or coarse particles, preferably of polytetrafluoroethylene powder, wherein powder is ground into fibrous particles in the first stage and is disintegrated into submicron particles by aerodynamic treatment in the second stage, where a gas-particle mixture is subject to the effect of centrifugal forces and suction forces acting in the direction opposite to the centrifugal forces, a pulsating sign-alternating temperature field generated by a pulsed supply of liquid nitrogen, turbulent forces of vortexes, and aerodynamic forces that cause alternating compression and expansion of the gas-particle mixture.

KR20010071470 (A) - Hybrid nonisocyanate polyurethane network polymers and composites formed therefrom.

This invention relates to a hybrid nonisocyanate polyurethane network polymer formed by cross-linking at least one cyclocarbonate oligomer and at least one amine oligomer. The cyclocarbonate oligomer contains a plurality of terminal cyclocarbonate groups. At least one cyclocarbonate oligomer further comprises from about 4 % to about 12 % by weight of terminal epoxy groups. Because at least one cyclocarbonate oligomer contains both cyclocarbonate and epoxy reactive groups, the network formed therefrom is referred to as a hybrid nonisocyanate polyurethane network. The cyclocarbonate oligomer or oligomers have an average functionality towards primary amines of from about 2,0 to about 5,44. The amine oligomer comprises at least one primary amine-terminated oligomer terminated with primary amine groups and has an average functionality towards cyclocarbonate groups of from about 3,0 to about 3,8. The amine oligomer is present in an amount from about 0,93 to about 0,99 of the amount of the amine oligomer that would be required to achieve a stoichiometric ratio between the primary amine groups of the amine oligomer and the cyclocarbonate groups of the cyclocarbonate oligomer. The hybrid nonisocyanate polyurethane network polymer formed has a gel fraction of not less than about 0.96 by weight. This invention also relates to methods of making hybrid nonisocyanate polyurethane networks and their use as a composite matrix material.

US2012063983 (A1) - Method for Synthesis of Boron Nitride Nanopowder.

A reaction is carried in a gaseous phase between ammonia (NH₃) and boron trifluoride (BF₃) in a cooled reactor under atmospheric pressure. A boron trifluoride-ammonia complex (NH₃,BF₃) obtained in this reaction is thermally decomposed at a temperature in the range of 125 to 300° C. into boron nitride and ammonium tetrafluoroborate in accordance with the following scheme: 125-300° C. 4NH₃,BF₃→BN+3NH₄,BF₄ BN is then separated from the mixture of BN with 3NH₄,BF₄ by combining the mixture with deionized water, forming a suspension, and separating the suspended BN nanoparticles by centrifugation.

US2011000411 (A1) - Biologically active multifunctional nanochips and method of application thereof for production of high-quality seed.

Proposed is a biologically active nanochip for treating seeds of agricultural plants in order to improve seed germination conditions and development of plants and for protecting plants from anticipated and averaged adverse conditions. The biologically active nanochip contains a solid porous carrier, such as mineral, clay, turf, or polymer, the pores of which are intended for accommodating nanoparticles of biologically active substances that penetrate the pores when the substances are applied onto the nanochip surface, e.g., by spraying. Alternatively, the biologically active substances can be retained on the surface of the carrier by adhesion. The composition of the biologically active nanochips is selected with reference to anticipated and averaged adverse conditions. Also proposed is a method for application of the biologically active substances onto the surfaces of the biologically active nanochips.

US2004192803 (A1) - Preparation of oligomeric cyclocarbonate and their use in nonisocyanate or hybrid nonisocyanate polyurethanes.

A method and apparatus for synthesis of oligomeric cyclocarbonates from epoxy compounds and carbon dioxide in the presence of a catalyst. Star epoxy compounds and their preparation and use in making star cyclocarbonates, star hydroxy urethane oligomers, and star NIPU and HNIPU. Acrylic epoxy compounds, acrylic cyclocarbonates, acrylic hydroxy urethane oligomers, and acrylic NIPU and HNIPU and their methods of preparation.

US2010319606 (A1) - Chemical tagging indicators and method to locate overheated spots in liquid-filled electrical devices.

A method for identifying overheated spots in liquid-filled electrical devices, comprising the steps of: a) determining the locations of potentially overheatable spots in said device and mapping said locations; b) positioning a tag consisting of one or more chemical indicators on potentially overheatable spots in said devices, wherein when said tags are exposed to a given high temperature, they are depolymerized into thermal degradation products which are diffused into the liquid; c) identifying the thermal degradation products by analytical methods; and d) locating the overheated places according to the identified thermal degradation products and the map of locations of said tags; wherein the tags comprise polymers and copolymers, which are substantially absent from the liquid of the device at normal working conditions.

US2010144929 (A1) - Liquid solventless synthetic-rubber-based composition.

A synthetic-rubber-based composition that consists of a low-molecular-weight rubber selected from polybutadiene comprising about 75% to about 92% cis-1,4 units, sulfur, a vulcanization accelerator, and an active filler wherein the sulfur, accelerator, and active filler are each present in the form of powder having a particular particle-size range. Additionally, this composition may be used to form coatings and rubber concretes.

WO9961500 (A1) - Adhesive composition.

An adhesive composition preferably for use in bonding of electronic parts on a board, said composition comprising: a) 12,0-18,0 weight % of a first resin, said first resin being a cross-linkable clathrate matrix resin; b) 8,0-22,0 weight % of a particulated filler; c) 15,0-30,0 weight % of a cross-linking agent capable of cross-linking said first resin; d) 1,5-3,5 weight % of a second resin, said second resin being an olygodieneurethane resin with the end oxymethyloxazolidone groups, said second resin having general chemical formula STR1 p=17-31, k=8-15, e) 35,0-60,0 weight % of an organic solvent.

More about the Polymate’ inventions could read in book «Green Nanotechnology», published Pan Stanford Pte. Ltd. (USA, 2017).