Patents for C01B 33 - Silicon; Compounds thereof (28,579) |
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02/21/1989 | US4806513 Silicon and fluorine-treated alumina containing a chromium catalyst and method of producing same |
02/21/1989 | US4806386 Method for forming deposited film |
02/21/1989 | US4806329 Hydrolyzing tetraalkoxysilane in presence of ammonium salt |
02/21/1989 | US4806328 Hydrolysis of tetraethoxysliane |
02/21/1989 | US4806327 Process for the preparation of crystalline sheet-type alkali metal silicates |
02/21/1989 | US4805556 Reactor system and method for forming uniformly large-diameter polycrystalline rods by the pyrolysis of silane |
02/21/1989 | CA1250319A1 Olefin upgrading with ferrosilicate zeolite catalyst |
02/21/1989 | CA1250132A1 Process for recovery of silicon from a reaction mixture |
02/21/1989 | CA1250131A1 Melt consolidation of silicon powder |
02/21/1989 | CA1250129A1 Crystalline silicas |
02/14/1989 | US4804422 Method of purifying quartz sand |
02/09/1989 | WO1989000980A1 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry |
02/08/1989 | EP0302604A2 Process for the production of silicon tetrachloride |
02/08/1989 | EP0302368A2 Process for the production of sinterable powders for binary and multinary ceramic oxidic materials |
02/08/1989 | CN1030901A 矿物 Mineral |
02/01/1989 | EP0301857A2 Production of soluble silicates from biogenetic silica |
02/01/1989 | EP0301678A2 Method of selective reduction of polyhalosilanes with alkyltin hydrides |
02/01/1989 | EP0301278A2 A particle-dispersing agent |
02/01/1989 | CN1030773A Dispersible organoclay for unsaturated polyester resins |
01/31/1989 | US4801437 Combustion trapping oxide dust in water spray |
01/31/1989 | US4801403 Delaminating vermiculite ore by shearing |
01/31/1989 | CA1249564A1 Synthesis of molecular sieving metallosilicates using heteropolymetallates |
01/31/1989 | CA1249417A1 Process for preparing silane from methyldichlorosilane and chlorosilane |
01/26/1989 | WO1989000545A1 Chemically delaminated mica containing mineral |
01/25/1989 | EP0300320A2 Process for preparation of silane |
01/25/1989 | EP0300047A1 Synthetic mica powder, process for its production, and cosmetics containing said synthetic mica powder |
01/24/1989 | US4800103 Inorganic fillers coated with latex |
01/24/1989 | US4800041 Ion exchange |
01/24/1989 | CA1249225A1 Dialytic silica dentifrice |
01/18/1989 | EP0299488A2 Removal of arsine and phosphine from silane |
01/18/1989 | EP0299351A1 Aqueous mineral dispersions |
01/18/1989 | EP0170578B1 Processes for the preparation of silica colloids and spherical silicas |
01/17/1989 | US4798713 Method of selective reduction of halodisilanes with alkyltin hydrides |
01/17/1989 | US4798710 Process for the manufacture of a powder for ceramic materials, containing at least one metal oxide |
01/17/1989 | US4798659 Silicon preparation |
01/17/1989 | US4798630 Process for surface treating clay minerals and reactive intermediates produced by said process |
01/17/1989 | CA1248824A1 Method of making a fire-resistant translucent layer |
01/12/1989 | WO1989000083A1 Process of preparing mixed pillared clays and reduction products thereof |
01/11/1989 | EP0298746A2 Coated inorganic materials |
01/11/1989 | EP0298698A1 Method for producing a metal from its halide |
01/11/1989 | CN1030217A Process fo extraction of alumina from powder coal ash with formation of gel material b-c2s |
01/11/1989 | CN1030216A Preparation of water glass with higher modulus by wet process |
01/11/1989 | CN1030196A Process for manufacturing silica particle |
01/10/1989 | US4797524 Apparatus and method for regenerating active carbon |
01/10/1989 | US4797377 Massive crystalline aluminosilicate with expanded structure and process for its manufacture |
01/04/1989 | EP0298062A1 Silica particles, a method for preparation of silica particles and use of the particles |
01/04/1989 | EP0297820A2 Dispersible organoclay for unsaturated polyester resin |
01/03/1989 | CA1248077A1 Molecular sieve compositions |
01/03/1989 | CA1247946A1 Method of and apparatus for the coating of quartz crucibles with protective layers |
12/28/1988 | EP0296401A1 Process for manufacturing fine silica particles |
12/28/1988 | EP0224531B1 Zeolites of the borosilicate type, containing fluorine |
12/28/1988 | CA1247325A Redistribution process for preparing hydrogenated silanes |
12/21/1988 | EP0295269A1 Layered metal oxides containing interlayer oxides and their synthesis. |
12/20/1988 | US4792539 Process for producing clay derivatives having a porous structure and novel clay derivatives obtained by the process |
12/20/1988 | US4792460 Exposure of mixture of silane (or germane) in carrier inert gas to electric discharges |
12/20/1988 | CA1247073A1 Metal oxide stabilized chromatography packings |
12/20/1988 | CA1246855A1 Water swellable clay composition and method to maintain stability in salt contaminated water |
12/15/1988 | EP0245474A4 Organoclay Composition. |
12/14/1988 | EP0294908A2 Improved process for the production of ultra high purity polycrystalline silicon |
12/14/1988 | EP0294753A2 Organic substituted silicates and process for their preparation |
12/14/1988 | CN88103256A Method of treating by silicopyrohydrolysis worn linings from hall-heroult electrolysis tanks |
12/13/1988 | US4791088 Hydrocarbon conversion catalyst |
12/13/1988 | US4790954 Reacting monodispersed monolayer hydroxide gels with hydrophilic organics; oil drilling |
12/12/1988 | EP0290602A4 Process for surface treating clay minerals and resultant products. |
12/07/1988 | EP0294300A1 Process for treating the linings of Hall-Heroult electrolytic cells by silicopyrohydrolysis |
12/07/1988 | EP0294206A2 Spheroidal silica |
12/07/1988 | EP0294047A1 Minimizing carbon content of semiconductor materials |
12/07/1988 | EP0293640A2 Process for the production of crystalline sodium silicates having a layer structure |
12/07/1988 | CN88101836A Flocced 2:1 layered silicates and water-resistant articles made therefrom |
12/07/1988 | CN87104483A Plasma smelting process for silicon |
12/06/1988 | US4789596 For batch or continuous crystallization by pulling to obtain single crystals for uniformly doped silicon wafers |
12/06/1988 | US4789560 Diffusion stop method for forming silicon oxide during the fabrication of IC devices |
12/06/1988 | US4789534 Pyroysis of metal amide |
12/06/1988 | US4789389 Sintering dried gel formed from organosilicon compound; casting, drying, sintering, isostatic pressing |
11/30/1988 | EP0293032A2 Synthetic, crystalline, porous material containing oxides of silicon and boron |
11/30/1988 | EP0293016A2 A process for manufacturing organoclays having enhanced gelling properties |
11/30/1988 | EP0293009A2 Fluidity improver for positively-charging resin powder |
11/29/1988 | US4787986 Crucibles |
11/29/1988 | CA1245437A1 Radiopaque, low visual opacity dental composites containing non-vitreous microparticles |
11/29/1988 | CA1245423A1 Shaped articles of silicate material, a process for their production and their use |
11/23/1988 | EP0292363A2 Zeolites having an MFI-structure, based on silica and titanium oxide, and method for their synthesis |
11/23/1988 | EP0292179A2 Method for producing ultra-high purity, optical quality, glass articles |
11/22/1988 | US4786477 Vapor deposition |
11/22/1988 | CA1245109A1 Method of forming amorphous polymeric halosilane films and products produced therefrom |
11/22/1988 | CA1245106A1 Method for treating activated silicon powder |
11/17/1988 | EP0290602A1 Process for surface treating clay minerals and resultant products. |
11/16/1988 | EP0215921A4 Stabilized silica gel and process for making same. |
11/15/1988 | US4784982 Magnesium zinc, aluminum silicate |
11/15/1988 | US4784840 Cementing silicon particles on semiconductors |
11/15/1988 | CA1244813A1 Production of a zeolite through continuous feeding of an agueous sodium silicate solution and an aqueous sodium aluminate solution, product thus made and its use in detergents |
11/09/1988 | EP0270650A4 Synthetic alkali metal alumino-silicates, methods and uses, compositions and their methods of preparation. |
11/08/1988 | CA1244302A1 Lightwave-guide manufacturing process |
11/03/1988 | WO1988008407A1 Process for surface treating clay minerals and reactive intermediates produced by said process |
11/03/1988 | DE3739578A1 Cyclone in the preparation of chlorosilanes |
11/02/1988 | EP0289440A1 A method for the production of beta'-sialon based ceramic powders |
11/02/1988 | EP0288638A1 Method for flocculating suspensions containing swelled layered chalcogenide |
11/01/1988 | US4781906 Alkylation and isomerization catalysts, molecular sieve absorbers |
11/01/1988 | US4781858 Cyclodextrin-silica composite and a method for the preparation thereof |
11/01/1988 | US4781565 Apparatus for obtaining silicon from fluosilicic acid |
10/26/1988 | EP0287934A2 Deactivation of spent silicon powder |