Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
08/1982
08/17/1982US4345142 Directly heatable semiconductor tubular bodies
08/17/1982US4344860 Stabilization of silicates using salts of substituted nitrogen or sulfur containing siliconates
08/11/1982EP0057399A1 Process for the production of Cr-containing clinopyroxene phases and their application
08/10/1982US4343875 Method for the etching of silicon substrates and substrate for the execution of the method
08/10/1982US4343772 Thermal reactor
08/10/1982US4343751 Clay agglomeration process
08/10/1982US4343717 From calcium silicate and acid
08/10/1982CA1129301A1 Preparation of storage-stable, pumpable and pourable aluminosilicate suspensions by wet milling
08/05/1982WO1982002546A1 Process for producing water-repelling calcium silicate molding
08/05/1982WO1982002542A1 Method for purifying waste waters
08/05/1982WO1982002538A1 A method for recovering useful products from waste products obtained when manufacturing aluminium fluoride
08/03/1982CA1128954A1 Viscosity increasing additive for non-aqueous fluid systems
08/03/1982CA1128732A1 Device and process for the production of polycrystalline silicium
07/1982
07/28/1982EP0056792A1 A method for recovering useful products from waste products obtained when manufacturing aluminium fluoride
07/28/1982EP0056459A1 Method of removing halogen from the reaction of gases of pyrogenic production of silica
07/27/1982US4341749 Heating method for silane pyrolysis reactor
07/27/1982US4341663 Catalyst support
07/22/1982WO1982002414A1 Hydrophobic silica or silicate compositions for containing the same and methods for making and using the same
07/21/1982EP0056094A1 Process for the preparation of crystalline sodium silicates and the crystallised forms of hydrated silicon dioxide, the products obtained in the process and their application
07/21/1982EP0056068A1 Method of treating waste waters
07/20/1982US4340574 Process for the production of ultrahigh purity silane with recycle from separation columns
07/13/1982US4339559 Polymerization using silica from single phase controlled hydrolysis of silicate ester
07/13/1982US4339421 Synthetic magnesium aluminosilicate, process for the manufacture thereof, and pharmaceutical compositions containing same
07/13/1982US4339418 Process for the production of zeolite A
07/13/1982US4339417 Process for the production of crystalline zeolite A
07/13/1982US4339244 Process for the reduction of the particle size of coarse grain zeolitic sodium aluminosilicates
07/13/1982CA1127623A1 Crystalline silicates and methods for preparing same
07/07/1982EP0055310A1 Method and apparatus for the continuous casting of silicon
06/1982
06/30/1982EP0054650A1 Method of purifying chlorosilanes
06/29/1982US4337176 Process for the preparation of crystalline silicates
06/29/1982CA1126483A2 Recovering string-like agglomerates of chrysotile asbestos fibrils from crude asbestos
06/29/1982CA1126480A1 Divalent europium based luminescent substances emitting in the blue spectrum
06/29/1982CA1126453A1 Mineral substance based on a reversibly swellable tri-laminar mineral developed to be crystalline over a large area and having crystal layers separated from one another
06/23/1982EP0054531A1 Process and apparatus for preparing finely-divided silicon dioxide in good yield
06/23/1982EP0054530A1 Process and apparatus for preparing finely-divided silicon dioxide having high thickening capacity and good thixotropic properties
06/23/1982EP0054164A1 Method for planarizing non-level silicon dioxide in semiconductor devices
06/22/1982US4336245 Fine silica having a metal silicate coating; inorganic pigments; dentifrices; rubber fillers; paints; papermaking
06/22/1982US4336235 Process for the manufacture of sodium silicate
06/22/1982US4336234 Preparation of storage-stable, pumpable and pourable aluminosilicate suspensions by wet milling
06/22/1982CA1176029B Method of synthesizing zincosilicate or stannosilicate or titanosilicate material
06/22/1982CA1126245A1 Process of preparing a porous, pure silica
06/22/1982CA1126244A1 Process for preparing a porous, pure silica
06/22/1982CA1125991A1 Method of synthesizing zincosilicate or stannosilicate or titanosilicate material
06/15/1982CA1125534A1 Process for producing potassium silicate fertilizer and apparatus for practicing said process
06/08/1982CA1125028A1 Method of obtaining polycrystalline silicon and workpiece useful therein
06/08/1982CA1124991A1 Process for purifying metallurgical-grade silicon
06/02/1982EP0053004A2 Improvements relating to the production of zeolite agglomerates
06/02/1982EP0052808A1 Production of silane
06/02/1982EP0052615A1 High pressure plasma hydrogenation of silicon tetrachloride.
05/1982
05/27/1982WO1982001702A1 Process for producing sodium silicate and apparatus therefor
05/25/1982US4331641 Synthetic crystalline metal silicate compositions and preparation thereof
05/25/1982US4331636 Calcining with chloride, chlorination, crystallization, calcining
05/19/1982EP0051628A1 High pressure plasma deposition of silicon
05/18/1982US4330519 Novel amorphous silica
05/18/1982CA1123813A1 Aluminosilicate powders
05/11/1982US4329328 Method of synthesizing zincosilicate or stannosilicate or titanosilicate material
05/11/1982US4329233 Process for the purification of water
05/11/1982CA1123412A1 Crystalline silicates
05/11/1982CA1123177A1 Catalysis
05/11/1982CA1123172A2 Amorphous silica, products thereof and methods of preparing the same
05/05/1982EP0050936A1 Improvements in or relating to the preparation of aqueous suspensions of talc
05/05/1982EP0050902A1 The preparation of porous, pure silicon dioxide and of chromium-oxide-on-silicon dioxide catalysts
05/04/1982US4328353 Purification by filtration of gases
05/04/1982US4328197 Forming an inorganic polymer protective coating
05/04/1982US4328196 Production of alkali metal products from alkali metal fluosilicate
05/04/1982CA1122780A2 Amorphous silica, products thereof and methods of preparing the same
05/04/1982CA1122779A2 Amorphous silica, products thereof and methods of preparing the same
05/04/1982CA1122778A2 Amorphous silica, products thereof and methods of preparing the same
04/1982
04/29/1982WO1982001441A1 Thin silicon film and process for preparing same
04/28/1982EP0050525A1 Synthetic modified crystalline silica
04/28/1982EP0050324A1 Method and apparatus for producing high purity silicon from flames of alkalimetal and silicon halide
04/27/1982US4327065 Method of preparing silica aerogel
04/27/1982US4327062 Process for producing chloride of elements of Group III, IV or V of Periodic Table
04/27/1982US4326852 Method for increasing the bulk weight of silicon dioxide
04/27/1982CA1122385A1 Method for producing dense silicon nitride containing yttrium oxide and aluminum oxide and having high temperature strength and oxidation resistance
04/20/1982CA1122190A1 Industrial process for the continual preparation of zeolithe a
04/20/1982CA1121982A1 Purification of aluminium chloride
04/20/1982CA1121977A1 Continuous process for the production of amorphous sodium aluminosilicate in an elongated reaction zone
04/20/1982CA1121976A1 Continuous process for the production of amorphous sodium aluminosilicate
04/20/1982CA1121975A1 Crystalline silicates and method of preparing the same
04/13/1982US4324838 Dry powder compositions of vermiculite lamellae and additives
04/13/1982US4324768 Reaction of lead monoxide with acid in presence of hydroxylamine salt
04/13/1982US4324695 For shift conversion, hydrogenation, hydroformylation, methanation
04/13/1982US4324576 Method for producing optical glass
04/06/1982US4323475 Process for the production of amorphous aluminosilicates and their use as catalysts
03/1982
03/30/1982US4322485 Preparation of materials
03/23/1982US4321246 Polycrystalline silicon production
03/23/1982US4321243 Method of producing stabilized aqueous dispersions of silica fume
03/23/1982US4321161 Liquid-absorbing shaped body
03/18/1982WO1982000816A1 Synthetic mineral polymer compound of the silicoaluminates family and preparation process;molded articles containing such polymer compound and production process thereof
03/17/1982EP0047688A1 Method for the opalisation of lamps in a gaseous way
03/16/1982US4320168 Method of forming semicrystalline silicon article and product produced thereby
03/16/1982CA1119775A1 Process for preparation of lead compounds
03/10/1982EP0046932A2 Mixed crystals, process for their manufacture and application
03/09/1982US4318942 Process for producing polycrystalline silicon
03/09/1982CA1119380A1 Method for utilizing a residue containing elemental silicon
03/02/1982US4317737 Polyolefin based greases gelled by clays overtreated by higher dialkyl dimethyl ammonium salts
03/02/1982CA1119146A1 Synthesis of zeolite zsm-11
02/1982
02/23/1982CA1118582A1 Method for producing solar cell-grade silicon from rice hulls
02/17/1982EP0046059A2 Method of plasma enhanced chemical vapour deposition of films