Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
12/1984
12/11/1984US4487162 Magnetoplasmadynamic apparatus for the separation and deposition of materials
12/11/1984CA1179116A1 Composition and process for consolidating soil
12/05/1984EP0126803A2 Method for photochemical conversion of silicon monoxide to silicon dioxide
11/1984
11/28/1984EP0126212A1 Stabilization of aqueous silicates using alkali salts of silylorganosulfonates
11/28/1984EP0126204A1 Process for producing a seed mixture for synthesising faujasite
11/28/1984EP0126141A1 Viscosity increasing additive for non-aqueous fluid systems
11/27/1984US4485476 Apparatus and process for preparing high temperature reaction products
11/27/1984US4485203 Urea or melamine formaldehyde resin
11/21/1984EP0125630A2 Method for the purification of silicium by acid action
11/21/1984EP0125486A1 Method of making silicon or metal compound articles or powders by the reaction of solid state silicon or metal articles or powders with a gas
11/21/1984EP0125418A1 Process for producing precipitated silica
11/20/1984US4483934 Reduction of iron, dehydration washing
11/20/1984EP0112385A4 Apparatus and process for making solar grade silicon.
11/20/1984CA1178180A1 Method for producing semiconductor grade silicon
11/20/1984CA1178179A1 Combination gas curtains for continuous chemical vapor deposition production of silicon bodies
11/20/1984CA1178178A1 Gas curtain continuous chemical vapor deposition production of semiconductor bodies
11/20/1984CA1178177A1 Process for increasing silicon thermal decomposition deposition rates from silicon halide-hydrogen reaction gases
11/20/1984CA1178026A1 Treatment of chlorination residue
11/14/1984EP0124998A2 Crystalline zincosilicate
11/14/1984EP0124901A2 Process and apparatus for manufacturing fine powder
11/13/1984CA1177811A1 Process for the preparation of silica particles; silica particles with a narrow pore diameter distribution, catalysts made therefrom and use of these catalysts
11/06/1984US4481232 Reaction of copper silicide with carrier gas, deposition on filament
11/06/1984US4481229 Method for growing silicon-including film by employing plasma deposition
11/06/1984US4481178 Purification of chlorosilanes
11/06/1984US4481174 Crystalline aluminosilicate and process for its production
11/06/1984CA1177224A1 Method for the preparation of bridged clays, said clays and their use
10/1984
10/31/1984EP0123100A1 Process for the manufacture of silicon
10/31/1984EP0123060A1 Ultrapure crystalline silica polymorphs and process for the preparation thereof
10/24/1984EP0122781A1 Corrosion inhibitors, methods of producing them and protective coatings containing them
10/23/1984US4478880 Method of fabricating polycrystalline silicon strips
10/23/1984US4478742 Preparation of a ferric acetate coated silica sol by selective anion exchange
10/23/1984CA1176617A1 Zeolites
10/16/1984US4477412 Inert gas atmosphere
10/16/1984US4477277 Process for producing high-purity metals
10/09/1984US4476330 Dehydration
10/09/1984CA1175638A1 Process and apparatus for preparing finely-divided silicon dioxide in good yield
10/09/1984CA1175637A1 Process and apparatus for preparing finely-divided silicon dioxide having good thixotropic properties
10/03/1984EP0120433A1 Process for the preparation of lead silicate
10/03/1984EP0120395A1 Method for producing macrocrystalline silicon
10/02/1984US4475206 Method and device for tapping a furnace containing a tappable melt
10/02/1984US4474743 Preparation of silane from amine alanes
10/02/1984US4474742 Hydroxamic acid iron chelates
10/02/1984US4474706 Process for the preparation of organophilic clays
10/02/1984US4474705 Reaction of bentonite with quaternary ammonium compound
10/02/1984CA1175583A1 Silicon thin film and method of producing the same
10/02/1984CA1175238A1 Method and apparatus for the thermal production of metal carbides and metals
09/1984
09/25/1984US4473539 Process for preparing pure silicon dioxide having high mechanical strength as well as silicon dioxide obtained by applying this process
09/25/1984US4473407 Rheological control of polyester-styrene resin compositions by addition of an organoclay and preparation thereof
09/25/1984CA1175033A1 Crystalline silicates
09/25/1984CA1174808A1 Method of thickening solutions using normally nongelling clays
09/19/1984EP0118588A2 Hydrothermal decomposition of aluminium silicates
09/19/1984EP0105328A4 Purification of silicon halides.
09/18/1984US4472199 Synthetic mineral polymer compound of the silicoaluminates family and preparation process
09/13/1984WO1984003439A1 Silica base for dentrifrice and process for its preparation
09/13/1984WO1984003438A1 Silica base for dentifrice and process for its preparation
09/11/1984US4471148 Process for making catalytically active aluminosilicates and their uses
09/11/1984US4471003 Magnetoplasmadynamic apparatus and process for the separation and deposition of materials
09/11/1984US4470959 Continuous production of silicon tetrafluoride gas in a vertical column
09/11/1984CA1174219A1 Preparation of new crystalline aluminosilicate for catalytic conversion of methanol and/or dimethyl ether to hydrocarbons
09/11/1984CA1174033A1 Process for preparing silane in a fused salts bath
09/05/1984EP0117799A1 Process for the disproportionation of silanes
09/05/1984EP0117356A2 Production of vermiculite products
09/04/1984US4469813 Process for the preparation of catalytically active cross-linked metal silicates
09/04/1984US4469639 Ion exchanging
08/1984
08/28/1984CA1173228A1 Stabilization of silicates using salts of substituted nitrogen or sulfur containing siliconates
08/22/1984EP0116436A2 Alumina sols
08/21/1984US4466831 Rapidly dissolvable silicates and methods of using the same
08/21/1984CA1173055A1 Anionically modified organophilic clays
08/14/1984US4465892 Isomerization of paraffins or olefins with bridged clays
08/14/1984US4465657 From hexafluorosilicic acid and ammonium hydroxide
08/14/1984CA1172619A1 Preparation of porous, pure silicon dioxide and of chromium-oxide-on-silicon dioxide catalysts
08/08/1984EP0115399A2 Synthetic mica products
08/08/1984EP0115031A1 Ferrosilicate molecular sieve composition
08/08/1984EP0114876A1 Ultra-pure epitaxial silicon and process for its manufacture.
08/07/1984US4464274 For mineral oil based drilling fluids
08/07/1984US4464222 Process for increasing silicon thermal decomposition deposition rates from silicon halide-hydrogen reaction gases
08/01/1984EP0114226A2 Process for the separation of chlorosilanes from a gaseous mixture with hydrogen chloride and hydrogen
07/1984
07/31/1984US4462971 Aluminum-free zeolites by mixing ammonium salt, alkali hydroxide and silica with a metal salt and urea solution
07/31/1984US4462806 High field surface ionization process and apparatus for purifying metal and semiconductor materials
07/31/1984CA1171617A1 Apparatus for the preparation of globular particles of uniform shape
07/25/1984EP0113926A1 Use of silica gel with a reduced surface as a filler for dental mass material
07/24/1984CA1171227A1 Process for the production of silicon-containing and carbon-containing raw material mouldings, and the use of such mouldings
07/18/1984EP0113473A1 Novel zeolite catalyst and process for preparing same
07/17/1984US4460654 Protective coatings
07/17/1984US4460556 Method for producing high purity Si for solar cells
07/11/1984EP0113139A1 Process for the preparation of boric acid as well as process for the preparation of silica using boric acid thus obtained
07/11/1984EP0113137A1 Process for the preparation of pure silica
07/10/1984US4459163 Amorphous semiconductor method
07/05/1984WO1984002539A1 Process and apparatus for obtaining silicon from fluosilicic acid
07/05/1984WO1984002517A1 Process for preparing silanes
07/05/1984WO1984002516A1 Process and apparatus for obtaining silicon from fluosilicic acid
07/05/1984WO1984002515A1 Process and apparatus for obtaining silicon from fluosilicic acid
07/05/1984WO1984002514A1 Process and apparatus for obtaining silicon from fluosilicic acid
07/04/1984EP0112385A1 Apparatus and process for making solar grade silicon.
07/03/1984US4458154 Apparatus for accumulation and storing light energy and releasing the same therefrom for utilization
07/03/1984US4457903 Semicontinuous process for the production of pure silicon
07/03/1984US4457902 Heat exchanging
07/03/1984US4457901 Method of refining silicon tetrafluoride gas
07/03/1984US4457900 Precipitation with acid from sodium silicate solution
07/03/1984CA1170213A1 Gaseous opalization process for electrical lamps