Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
09/1989
09/26/1989CA1260713A1 Method of manufacturing monolithic glass members
09/26/1989CA1260712A1 Method of manufacturing monolithic glass members
09/26/1989CA1260363A1 Method and device for producing a block of polycrystalline semi-conducting material
09/26/1989CA1259773A1 Flocculating agents and processes for making them
09/21/1989WO1989008608A1 Synthetic crystalline molecular sieve and its synthesis
09/20/1989EP0333283A2 Crystalline silicon-rich (metallo) silicates of the sodalite type and process for preparing such (metallo)silicates
09/20/1989EP0333084A2 Method for preparing gaseous fluorides
09/20/1989EP0332686A1 Process for preparing metallic oxides
09/19/1989US4868013 Fluidized bed process
09/19/1989CA1259473A1 Process for the preparation of silica spheres
09/13/1989EP0332513A1 Stable aqueous silico-aluminate suspension
09/13/1989CN1035479A Method for preparing compound aluminium oxide fibre
09/12/1989US4866020 Lithiated clays and uses thereof
09/12/1989US4866018 Organophilic clay modified with zirconium aluminum organic complexes
09/12/1989US4865829 Silicic acid ester, gelation, ethyl cellulose
09/12/1989US4865643 Electrometallurgy reducing silicon oxide with carbonaceous red uctant
09/12/1989CA1259163A1 Process for preparation of synthetic crystalline zinc silicate mineral
09/06/1989EP0331594A1 Precipitated silica with enhanced properties
09/06/1989CN1035269A Preparation for whitening sodium metasilicate
09/06/1989CN1035268A Silica compatible with chlorhexidine used in compotents of dentifrices
08/1989
08/30/1989EP0329803A1 Method for producing high-purity metallic silicon and apparatus therefor
08/29/1989US4861735 Production of ceramic materials
08/29/1989US4861574 Contacting silicon with chlorine in presence of copper compound
08/29/1989US4861572 Process for manufacture of metal oxide
08/29/1989US4861571 Process for preparation of synthetic mordenite molded body
08/29/1989US4861570 Novel silicate
08/29/1989US4861510 Porous layer silicate/sodium sulfate agglomerate
08/24/1989WO1989007578A1 Method for producing high-purity metallic silicon and apparatus therefor
08/24/1989DE3804248A1 Process for removing impurities from a silicon melt by directed solidification
08/23/1989EP0329509A1 Stable, aqueous suspension of precipitated silica
08/23/1989EP0329163A2 Method for forming presized particles from silicon rods
08/23/1989EP0329149A2 Process for eliminating n-dopant impurities from a liquid or gaseous material obtained during the gas phase separation of silicium
08/23/1989EP0224547B1 Structured silicas
08/22/1989US4859648 Layered metal chalcogenides containing interspathic polymeric chalcogenides
08/22/1989CA1258670A1 Preactivated organophilic clay gellant for lubricating greases, lubricating grease thickened with preactivated organophilic clay gellant, process for preparing preactivated organophilic clay gellants and preactivated organophilic clay gellants thus
08/17/1989DE3802531A1 Process for separating solid particles from silicon melts
08/16/1989CN1034699A Zinc-compatible silica for toothpaste constituent
08/15/1989US4857491 Viscosifying alcoholic media
08/15/1989US4857290 Process for producing silica of high purity
08/15/1989US4857289 From sodium silicate and sulfuric acid
08/15/1989US4857173 Particle classifier and method
08/15/1989CA1258359A1 Manufacturing process of hydrogeno-silanes
08/09/1989EP0327189A2 Preparation and use of gallosilicate aromatisation catalysts
08/09/1989EP0327147A1 Garnet and methods of preparing a garnet
08/09/1989CN1034574A Preparation method of non-phosphorus washing assistant
08/09/1989CN1034527A Repairing method for industrial enamel equipment
08/09/1989CN1034521A Method for producing fluorine mica
08/08/1989US4855270 Boronaaronate molecular sieve
08/08/1989US4855268 Mixed pillared clays
08/08/1989US4855120 Production of silane and useful coproducts
08/08/1989US4854968 Method of preparing high-purity metal and rotary cooling member for use in apparatus therefor
08/02/1989EP0326019A2 Method for producing fluorine mica
08/02/1989EP0220219B1 Insulating material, preparation method and use thereof
08/01/1989US4853202 Large-pored crystalline titanium molecular sieve zeolites
08/01/1989US4853198 Heating amorphous silica and alkali metal solution
08/01/1989US4853016 Process for consolidation of silicon monoxide fines
07/1989
07/27/1989WO1989006637A1 Polyaluminosilicate microgel process and composition
07/25/1989US4851451 Using a group 2b and 6 metals-containing aluminum silicate; catalyst selectivity; low concentration of durene in fuel product
07/25/1989US4851021 Multi-ply composites and sheets of epoxy and flocced 2:1 layered silicates and methods for them
07/25/1989EP0221057A4 Disposable chemical container.
07/25/1989CA1257767A1 Handling of by-product gases from a silicon furnace
07/19/1989EP0324504A2 Method for forming uniformly large-diameter polycrystalline rods by the pyrolysis of silane and a reactor system therefor
07/19/1989EP0151569B1 Process and apparatus for obtaining silicon from fluosilicic acid
07/19/1989CN1033948A Method for preparation of sodium-base bentonite from calcium-base bentonite
07/18/1989US4849395 Catalysts
07/18/1989US4849394 Process for preparing a silica-magnesia cogel catalyst
07/18/1989US4849378 Ultraporous gel monoliths having predetermined pore sizes and their production
07/18/1989US4849248 Ion implantation method for making silicon-rich silicon dioxide film
07/18/1989US4849195 Synthetic crystal aggregates of xonotlite and process for preparing same
07/18/1989CA1257522A1 Non-aged inorganic oxide-containing aerogels and their preparation
07/12/1989EP0323892A2 Zeolite L
07/11/1989US4847235 Ammoniation of silica for chillproofing beer
07/11/1989US4847226 Process for extruding and acid treating clay for improved filtration
07/11/1989US4847061 Process for preparation of silane
07/11/1989US4847059 Process for the production of silicon tetrachloride
07/11/1989CA1257247A1 Synthesis of molecular sieving metallosilicates using silica-transition metal oxide sols
07/11/1989CA1257054A1 Flocced mineral materials and water-resistant articles materials made therefrom
07/11/1989CA1257053A1 Inorganic gels and asbestos-free sheet material made therefrom
07/05/1989EP0323104A2 Method of selective reduction of halodisilanes with alkyltin hydrides
07/04/1989US4845004 Amino-silicon compound, modifier for silica particles, toners
07/04/1989US4844980 Silica or silicic acid particles whose surface located hydroxyl groups are at least partially replaced by organic groups
07/04/1989CA1256847A1 Apparatus and process for regnerating active carbon
07/04/1989CA1256845A1 Shock calcined crystalline silica catalysts
06/1989
06/29/1989WO1989005775A1 Crystalline molecular sieve
06/29/1989DE3742614A1 Process for reprocessing residues from the distillation of chlorosilanes
06/27/1989US4842892 Vapor deposition
06/27/1989US4842839 Elevated temperature chlorination
06/27/1989US4842838 Silica with a high oil absorption capability and a controlled primary structure and process for the production thereof
06/27/1989US4842837 Process for producing fine spherical silica
06/27/1989CA1256269A1 Process for preparing silicium hydrides; use thereof and device used therefor
06/22/1989DE3842099A1 Fluidised-bed reactor for producing polycrystalline silicon
06/21/1989EP0320770A2 Process for the preparation of crystalline layered sodium silicates
06/20/1989CA1256122A1 Process for the preparation of an aromatic hydrocarbon mixture
06/20/1989CA1256087A1 Non catalytic solid mullite/crystalline silica material and use thereof
06/15/1989WO1989005336A1 Chemical reactions in reverse micelle systems
06/15/1989WO1989005280A1 Process for forming fine ceramic powders and products thereof
06/14/1989EP0319578A1 Process for producing xonotlite fibers
06/13/1989US4839173 Magnesium hydroxide incorporated in sheet-silicate clay; sustained release, antacids
06/13/1989US4839153 Process for purification of HCl from pyrolysis of EDC
06/08/1989DE3839705A1 Heated fluidized-bed reactor