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8680190 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Mixed boron nitride composition and method for making thereof
 
A boron nitride composition comprising at least two different boron nitride powder materials having different properties, e.g., surface areas, particle size, tap density, etc.
8657893 Method for producing sintered cubic boron nitride compact  
A method for producing a highly uniform and highly dense sintered cubic boron nitride compact having high hardness by sintering at a milder condition without a binder, is provided. The method...
8617503 Process for production of spheroidized boron nitride  
Disclosed is a process for producing spheroidized boron nitride which enable the further improvement in the heat conductivity of a heat dissipative member. Specifically disclosed is a process for...
8574525 Using boron-containing compounds, gasses and fluids during ammonothermal growth of group-III nitride crystals  
Boron-containing compounds, gasses and fluids are used during ammonothermal growth of group-Ill nitride crystals. Boron-containing compounds are used as impurity getters during the ammonothermal...
8414855 Spherical boron nitride nanoparticles and synthetic method thereof  
Spherical boron nitride nanoparticles having an average particle diameter of less than 50 nm is obtained by a method of synthesizing spherical boron nitride nanoparticles including the following...
8383692 Method of activating boron nitride  
A method of activating boron nitride comprises exposing the boron nitride to a fluid enabling —OH hydroxyl radicals and/or H3O+ to be delivered and creating B—OH bonds and/or NH2 bonds in the bor...
8329130 Method of synthesizing crystalline polymeric boron-nitrogen compound and dehydrogenation of boron-nitrogen-hydrogen complex  
The present invention provides a method for synthesis of crystalline polymeric boron-nitrogen compounds comprising a step of dehydrogenation of a boron-nitrogen-hydrogen compound on catalyst,...
8303922 Method for exfoliation of hexagonal boron nitride  
A new method is disclosed for the exfoliation of hexagonal boron nitride into mono- and few-layered nanosheets (or nanoplatelets, nanomesh, nanoribbons). The method does not necessarily require...
8288466 Composite of a polymer and surface modified hexagonal boron nitride particles  
Provided is a composite comprising a polymer and a plurality of surface-modified hexagonal boron nitride particles dispersed therewithin. Suitable polymers include polyimide and epoxy. A process is...
8206674 Boron nitride nanotubes  
Boron nitride nanotubes are prepared by a process which includes: (a) creating a source of boron vapor;(b) mixing the boron vapor with nitrogen gas so that a mixture of boron vapor and nitrogen gas...
8178477 Proppants with carbide and/or nitride phases  
Proppants which can be used to prop open subterranean formation fractions are described. Proppant formulations which use one or more proppants of the present invention are described, as well as...
8169767 Boron nitride agglomerated powder and devices comprising the powder  
Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a...
7976941 Boron nitride particles of spherical geometry and process for making thereof  
A low viscosity filler boron nitride agglomerate particles having a generally spherical shape bound together by an organic binder and to a process for producing a BN powder composition of...
7947243 Boron nitride thin-film emitter and production method thereof, and electron emitting method using boron nitride thin-film emitter  
Based on designs concerning boron nitride thin-films each including boron nitride crystals in acute-ended shapes excellent in field electron emission properties, and designs of emitters adopting...
7914886 Structural component comprising boron nitride agglomerated powder  
A novel composite structural component including novel boron nitride agglomerated powders and a matrix is provided having controlled density and fracture strength features. In addition methods for...
7902098 Cubic boron nitride sintered material and cutting tool using the same  
A cubic boron nitride sintered material where wear resistance is suppressed from decreasing having excellent chipping resistance and a cutting tool made thereof are provided. The sintered material...
RE41575 Crystalline turbostratic boron nitride powder and method for producing same  
Turbostratic boron nitride (t-BN) powder having excellent sinterability. A mixture of boric acid anhydride and urea is charged in a reaction vessel together with alkali-borate, heated step by step...
7741254 High density materials with intrinsic unabradable slipperiness and method of fabrication thereof  
Pressureless sintered high density materials containing hexagonal boron nitride have low coefficients of friction and high wear resistance and are useful for bearings, bushings and other articles...
7703710 Cubic boron nitride, method for producing cubic boron nitride, grinding wheel with cubic boron nitride, and sintered cubic boron nitride compact  
A method for producing cubic boron nitride in which hBN is held in the presence of a catalyst substance under conditions in which cBN remains thermodynamically stable, to thereby cause hBN to...
7695704 Procedure for the hydrogenation of BNH-containing compounds  
A process for producing borazane from boron-nitrogen and boron-nitrogen-hydrogen containing BNH-waste products. The process includes reacting the BNH-waste products with a hydrogen halide, having...
7494635 Boron nitride agglomerated powder  
Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a...
7419572 Sp3 bond boron nitride emitting light in ultraviolet region, its producing method, and functional material using same  
The present invention provides a sp3-bonded boron nitride, represented by a general formula BN, having a hexagonal 5H or 6H polytypic form and having a property of emitting light in ultraviolet...
7381391 Method of making Group III nitrides  
The present invention provides compositions and a novel high-yielding process for preparing high purity Group III nitrides. The process involves heating a Group III metal and a catalytic amount of...
7371359 Non-aqueous borate routes to boron nitride  
A non-aqueous route and process for preparation of boron nitride utilizing aerosol assisted vapor phase synthesis (AAVS) wherein boron precursors are nitrided in one or two heating steps, and...
7361213 Borazine-boron nitride hybrid hydrogen storage system  
A hybrid hydrogen storage composition includes a first phase and a second phase adsorbed on the first phase, the first phase including BN for storing hydrogen by physisorption and the second phase...
7341702 Process for producing boron nitride  
A process for producing boron nitride of high purity and high thermal conductivity, wherein a oxygen-containing boron compound is reacted with a nitrogen-containing source in the presence of a...
7297317 Process for producing boron nitride  
A process for producing boron nitride using a boron containing ore as a starting material, by reacting naturally occurring ulexite with ammonia at high temperature, for a boron nitride with high...
7273904 Nanocrystals in ligand boxes exhibiting enhanced chemical, photochemical, and thermal stability, and methods of making the same  
Dendron ligands or other branched ligands with cross-linkable groups were coordinated to colloidal inorganic nanoparticles, including nanocrystals, and substantially globally cross-linked through...
7244406 Method for producing cubic boron nitride  
A method is provided for producing cubic boron nitride, in which a mixture containing hexagonal boron nitride and a catalyst is maintained under pressure and temperature conditions that...
7214359 Cubic boron nitride, catalyst for synthesizing cubic boron nitride, and method for producing cubic boron nitride  
By using a CBN synthesis catalyst containing a CBN synthesis catalyst component coated with an organic substance for producing cubic boron nitride (CBN), the CBN can be produced at a high...
7189774 Method for making high thermal diffusivity boron nitride powders  
The present invention relates to a method for making boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s. This method involves pressing high purity,...
7150862 Method of manufacturing powder  
A method of manufacturing a powder, by which it is possible to adjust the strength of the obtained powder is provided. The manufacturing method of a powder involves a step of preparing a slurry...
7138098 Preparation of nanocrystallites  
A method of manufacturing a nanocrystallite from a M-containing salt forms a nanocrystallite. The nanocrystallite can be a member of a population of nanocrystallites having a narrow size...
7014826 Method for producing cubic boron nitride and product obtained through the method  
A method for producing cubic boron nitride includes maintaining hexagonal boron nitride in the presence of a catalyst substance under conditions where cubic boron nitride remains thermodynamically...
7001577 Low oxygen cubic boron nitride and its production  
A method for improving the toughness of a CBN product made by a high temperature/high pressure (HP/HT) process commences by forming a blend of an oxygen getter and CBN product-forming feedstock....
6984448 Cubic boron nitride clusters  
A cubic boron nitride cluster comprises a core (10) and an overgrown region, the overgrown region containing a plurality of cubic boron nitride crystallites (12) extending outwards from the core...
6953539 Composite material  
A composite material includes an SiC porous ceramic sintered body, which is formed by preliminarily sintering a porous body, having a coefficient of thermal expansion lower than the coefficient of...
6824753 Organoboron route and process for preparation of boron nitride  
An organoboron route and process for preparation of boron nitride utilizing aerosol assisted vapor phase synthesis (AAVS) wherein organoboron precursors are nitrided in one or two heating steps,...
6794435 Agglomerated hexagonal boron nitride powders, method of making, and uses thereof  
The present invention relates to a powder including agglomerates of hexagonal boron nitride platelets, wherein the agglomerates have an agglomerate size distribution of from about 10 to about 125...
6774074 Method for making boron nitride fibers from aminoborazines  
The invention concerns a method for making boron nitride fibers by drawing a polymer precursor and treating with ceramics the polymer fibers obtained by drawing. The invention is characterized in...
6737377 Cutting tool of a cubic boron nitride sintered compact  
The object of the present invention is to provide a cutting tool consisting of fine grain cBN free from a binder and having a grain size of at most 1 μm and having a high hardness, high strength ...
6652822 Spherical boron nitride particles and method for preparing them  
Spherical and polyhedral particles of boron nitride and method of preparing them. Spherical and polyhedral particles of boron nitride are produced from precursor particles of hexagonal phase boron...
6645612 High solids hBN slurry, hBN paste, spherical hBN powder, and methods of making and using them  
The present invention relates to a method for making a hexagonal boron nitride slurry and the resulting slurry. The method involves mixing from about 0.5 wt. % to about 5 wt. % surfactant with...
6627168 Method for growing diamond and cubic boron nitride crystals  
An object of the present invention is to provide a method for producing diamond and cubic boron nitride crystals having excellent mechanical strength and high regularity in particle size with high...
6541111 Process for producing boron nitride  
The present invention provides a polycrystalline hexagonal boron nitride compound comprising fine crystals of the order of nanometers. The present invention also provides a hexagonal boron nitride...
6406677 Methods for low and ambient temperature preparation of precursors of compounds of group III metals and group V elements  
Processes are provided for preparation of precursors of Group III-V compounds, i.e., nitrides, phosphides, arsenides, antimonides and bismuthides of boron, aluminum, gallium and indium. The...
6383465 Cubic boron nitride and its gas phase synthesis method  
Cubic boron nitride which is obtained from a gas phase without using an ultra-high pressure and which distinctly shows, in the Raman spectrum, either characteristic scattering by phonon of an...
6348179 Spherical boron nitride process, system and product of manufacture  
The present invention involves a process and system for producing spherical BNxOy particles that are converted to crystalline BN. The process involves adding a boron compound to an aqueous...
6319602 Boron nitride and process for preparing the same  
The present invention provides a polycrystalline hexagonal boron nitride compound comprising fine crystals of the order of nanometers.The present invention also provides a hexagonal boron nitride...
6306358 Crystalline turbostratic boron nitride powder and method for producing same  
Turbostratic boron nitride (t-BN) powder having excellent sinterability. A mixture of boric acid anhydride and urea is charged in a reaction vessel together with alkali-borate, heated step by step...
Matches 1 - 50 out of 226 1 2 3 4 5 >