Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 33 - Silicon; Compounds thereof
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
11/1991
11/05/1991US5063182 Zirconia-molybdenum disilicide composites
11/05/1991US5063179 Low alpha particle emissions
11/05/1991US5063040 Method for increasing the yield of trichlorosilane in the fluidized-bed hydrochlorination of silicon
11/05/1991US5063039 Synthesis of kenyaite-type layered silicate material and its polymeric chalcogenide intercalates
11/05/1991US5062983 Magnetic powder for magnetic recording media
11/05/1991US5062982 Coercive force!
11/05/1991CA1291742C Catalyst base
10/1991
10/31/1991WO1991016265A1 Process for the synthesis of high porosity, high specific surface metallic oxides, oxides obtained and catalysts containing same
10/30/1991EP0454239A2 Inorganic oxide aerogel microbeads of narrow pore diameter distribution and the method for their preparation
10/30/1991CN1055788A Water and/or oil-impermeable sealing mat consisting substantially of subsrate layer, layer of swellable clay and cover layer
10/30/1991CN1014508B Process for producing magnesium carbonate and/or magnesium oxide as well as porous silicon dioxide from serpentine
10/29/1991US5061470 Silane production from hydridomagnesium chloride
10/29/1991CA1291593C Sulfonic derivatives of acylated polyethylenimine bonded phase silicaproducts
10/29/1991CA1291320C Method for treating activated silicon powder
10/23/1991EP0453340A1 Process for the synthesis of a silica enriched, cristalline aluminosilicate with the offretite structure.
10/23/1991EP0300047B1 Synthetic mica powder, process for its production, and cosmetics containing said synthetic mica powder
10/23/1991EP0256065B1 Layered crystalline aluminosilicate and a method for its preparation
10/23/1991CN1055526A Refined kaolin calcined from kaolinite
10/22/1991CA1290924C Process for the preparation of spheroidal silica particles
10/22/1991CA1290920C Production of useful materials including synthetic nepheline from bayer red mud
10/17/1991WO1991015429A1 Process for producing swellable laminated silicates
10/17/1991WO1991015428A1 Process for producing swellable laminated silicates
10/17/1991WO1991015426A1 NEW COMPOUND OF THE K-Nb-Si-O SYSTEM AND ITS DERIVATIVES, PROCESS FOR SYNTHESISING THEM AND THEIR APPLICATIONS, IN PARTICULAR IN OPTICS
10/17/1991WO1991013027A3 Silicate products
10/17/1991WO1991013026A3 Silicate products
10/16/1991EP0451958A1 Method for preparing zircon powder
10/16/1991EP0451818A2 Method for producing unsintered cristobalite particles
10/16/1991CN1014317B Method of preparation for silica compatible with chlorhexidine used in compotents of dentifrices
10/16/1991CN1014316B Method of preparation for silica compatible with zinc
10/15/1991US5058126 Silicon carbide beam as refractory in an open-arc furnace
10/10/1991DE4010879A1 Vereinfachtes verfahren zur herstellung von quellfaehigen schichtsilikaten (iii) Simplified process for the preparation of quellfaehigen phyllosilicates (iii)
10/10/1991DE4010878A1 Vereinfachtes verfahren zur herstellung von quellfaehigen schichtsilikaten (i) Simplified process for the preparation of quellfaehigen phyllosilicates (i)
10/09/1991EP0450989A1 Alkaline metals hydrated silicates, sperical granules, process for their preparation and their application in detergent compositions
10/09/1991EP0450393A2 Improved polysilicon and process therefor
10/09/1991EP0450094A1 Hydrophilic polymer-silicate mineral composite and its use
10/09/1991CN1014233B Oligomerization of olefins
10/08/1991US5055281 Mixing calcium chloride and aqueous fluosilicic acid solution, precipitating, filtering, washing, drying
10/08/1991CA1290136C Process for preparing fine particles of metal oxides
10/03/1991CA2038175A1 Polysilicon and process therefor
10/01/1991US5053144 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry
10/01/1991US5053139 Removal of heavy metals, especially lead, from aqueous systems containing competing ions utilizing amorphous tin and titanium silicates
09/1991
09/25/1991CN1054759A Manufacturing potassium fertilizer from pisolite and its comprehensive utilization process
09/25/1991CN1054713A Surgical clip
09/25/1991CN1014043B Method for preparing compound aluminium oxide fibre
09/24/1991WO1991014500A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991US5051414 Group Ia metal tungstates with boron, vanadium, phosphorous, silicon or titanium as viricides
09/24/1991US5051248 Catalytic haloakylation of silicon monooxide to form silane halides
09/24/1991US5051247 Catalytic haloakylation of silicon monooxide to form silane halides
09/24/1991US5051143 Alkali metal azide, alkali metal perchlorate oxidizer
09/24/1991US5051117 Process for removing gaseous contaminating compounds from carrier gases containing halosilane compounds
09/24/1991CA2078881A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991CA1289454C Hydrogen purification process
09/24/1991CA1289333C Process for purification of solid material
09/19/1991WO1991013830A1 Process for obtaining a geopolymeric alumino silicate and products thus obtained
09/19/1991WO1991013679A1 Bulk gas sorption composition and apparatus
09/18/1991CN1054533A Toothpaste component containing silica compatible with zinc
09/17/1991US5049594 Polymer compositions containing inorganic fillers coated with latex and process for preparing coated fillers
09/17/1991US5049536 Catalytically active silica and alumina gel and process for preparing it
09/17/1991US5049371 Process for the preparation of monodisperse ceramic powders
09/17/1991US5049237 Layered silicates and water-resistant articles made therefrom
09/17/1991US5049200 Hydrogen peroxide, 1A-2A salt
09/12/1991DE4107161A1 Water-and oil-tight damming mat
09/11/1991EP0445788A1 Waterproof- and oilproof sealing mat to be used as water- and oil barrier
09/11/1991EP0445301A1 Composite primary particle of noncrystalline silica, composite secondary particle of noncrystalline silica, shaped form thereof and production thereof
09/11/1991EP0445163A1 High surface area cordierite catalyst support structures
09/11/1991EP0422013A4 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalogenide by treatment with organic, hydrolyzable, polymeric chalcogenide precursor wherein organic hydrolysis by-products are removed
09/11/1991EP0419581A4 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor
09/11/1991CN1054366A Toothpaste component containing silica compatible with chlorhexidine
09/10/1991US5047380 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/05/1991WO1991013040A1 Process for making non-porous, micron-sized high purity silica
09/05/1991WO1991013027A2 Silicate products
09/05/1991WO1991013026A2 Silicate products
09/04/1991EP0444939A1 Antimicrobial composition
09/04/1991EP0444828A2 Composition for treating carbon fibre precursors
09/03/1991US5045519 Process for the preparation of a catalyst carrier based on aluminosilicates
09/03/1991US5045398 Reacting carbon or graphite object with silicon to produce silicon carbide, increased density
09/03/1991US5045293 Novel crystalline aluminophosphates and related compounds
09/03/1991CA1288542C Oxide sol using reactive monomer as dispersion medium
09/03/1991CA1288313C Process for forming transparent aerogel insulating arrays
09/03/1991CA1288214C Addition of calcium compounds to the carbothermic reduction of silica
09/02/1991CA2037155A1 Composition for treating carbon fibre precursors
08/1991
08/28/1991EP0443539A2 Process for the preparation of gallosilicates and their use for the preparation of catalysts and absorbents
08/28/1991EP0442879A1 Synthesis of a crystalline molecular sieve
08/28/1991CN1054146A Method for joining parts of ceramic high-temperature superconductor material
08/22/1991WO1991012204A1 Synthesis of kenyaite-type layered silicate material and pillaring of said material
08/21/1991EP0442746A1 Calcined kaolin clay filler pigment for paper
08/21/1991EP0442289A1 Process for joining parts of ceramic high-temperature superconductive material
08/21/1991EP0442268A1 Production of stable aqueous silica sol
08/21/1991CN1053912A Process for purifying diatomite
08/20/1991US5041402 Containing oxides of silicon and/or germanium with aluminum, iron, gallium, boron titanium, vanadium, zirconium, molybdenum, arsenic, chromium and/or manganese
08/20/1991US5041400 Heating aluminum trifluoride, aluminum oxide, barium carbonate and silicon oxide powders to from topaz, further heat treatment in gas generated environment to form feldspar
08/20/1991US5041308 Thermal decomposition and reduction of mixture of chlorosilane and pure silane yields polycrystalline silicon; semiconductors
08/20/1991CA1287704C Vermiculite moulding compositions and articles made therefrom
08/15/1991CA2035117A1 Calcined kaolin clay filler pigment for enhancing opacity and printing properties of newsprint and mechanical papers
08/14/1991EP0440960A1 Process to improve the flowability of dimerized 2,4-toluylendiisocyanate
08/14/1991EP0440893A1 Purified quartz and process for purifying quartz
08/14/1991CA2034248A1 Method for joining parts of ceramic high-temperature superconductor material
08/13/1991CA1287613C Boronaaronate molecular sieve
08/13/1991CA1287612C Layered metal chalcogenides containing interlayer chalcogenides and their synthesis
08/13/1991CA1287611C Layered metal oxides containing interlayer oxides and their synthesis
1 ... 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 ... 286