Patents
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Patents for C01B 33 - Silicon; Compounds thereof (28,579)
02/1984
02/14/1984US4431599 Method for the melting and solidification of silicon
02/14/1984US4431562 Fuel storage; vacuum deposition; supported powders; mateials handling
02/14/1984CA1162028A1 Ultrahigh purity silane and silicon production
02/08/1984EP0100268A1 Pure silicon as a dense powder, and process for its preparation
02/08/1984EP0100266A1 Process for the manufacture of a mixture based on trichlorosilane for use in the manufacture of high purity silicon
02/08/1984EP0100115A2 Composite crystalline alumium silicates and their use in a process for dewaxing hydrocarbon oils
02/08/1984EP0100001A1 Method of forming a light-transmitting solid fire-screening layer from an intumescent material
02/07/1984US4430369 Aluminosilicate fibers, ceramics, mats, alkali stabilization, amine-phosphonic or aliphatic acid condensation product
02/07/1984US4430249 Preparation of aqueous suspensions of talc
02/07/1984CA1161817A1 Process for the reduction of the particle size of coarse grain zeolitic sodium aluminosilicates
02/02/1984WO1984000353A1 Ultra-pure epitaxial silicon
02/01/1984EP0099531A2 Stable water-glass solutions, process for preparing them, their use in producing organosilicate foam plastics, and process for preraring these organosilicate foams
01/1984
01/31/1984US4428917 Conversion of silicon halide to tetraalkyl silicate which is reduced
01/31/1984US4428912 From chlorination of aluminum in clay or bauxite
01/31/1984CA1161417A1 Synthesis of zsm-5 type zeolites
01/19/1984WO1984000156A1 Apparatus and process for making solar grade silicon
01/18/1984EP0098297A1 Process and apparatus for obtaining silicon from fluosilicic acid
01/17/1984US4426408 Method of deposition of silicon in fine crystalline form
01/11/1984EP0097764A1 X-ray lithographic mask
01/10/1984US4425244 Organophilic clay gellants
01/10/1984CA1160033A1 Oil base fluids containing cationic organophilic clays
01/10/1984CA1160032A1 Oil base fluids containing organophilic clays
01/04/1984EP0097512A2 Aluminosilicates
01/04/1984EP0097378A2 Process for the manufacture of pyrogenic silica with a great thickening ability
01/03/1984US4424199 Fluid jet seed particle generator for silane pyrolysis reactor
01/03/1984US4424198 Process for preparing trichlorosilane and silicon tetrachloride from silicon and hydrogen chloride
01/03/1984CA1159630A1 Process for the preparation of silicon from quartz and carbon in an electric furnace
12/1983
12/28/1983EP0096773A2 Method of making high dielectric constant insulators and capacitors using same
12/27/1983US4423020 Crystalline metal silicate compositions
12/27/1983US4422855 Method of thickening solutions using normally nongelling clays
12/27/1983CA1159228A1 Preparation of solid, crystalline, substantially anhydrous sodium metasilicate
12/21/1983EP0096298A1 Process for producing polycrystalline silicon bars suitable for subsequent zone refining
12/13/1983US4420419 Abrasion-resistant granular zeolite and process for preparation thereof
12/13/1983CA1158629A1 Preparation of reaction mass for the production of methylchlorosilane
12/07/1983EP0095757A1 Process for making polycrystalline silicon ingots suitable for subsequent zone melting
12/07/1983EP0095756A1 Process for making polycrystalline silicon ingots
12/07/1983EP0095707A1 Process for making polycrystalline silicon ingots suitable for subsequent zone melting
12/06/1983CA1158260A1 Process for producing optical glass product
12/06/1983CA1158020A1 Harzburgite and preparation thereof
11/1983
11/29/1983US4418048 Aluminophosphorus compounds
11/29/1983CA1157657A1 Low density compacts of prepared mix for use in the production of silicon and ferrosilicon
11/22/1983US4416913 Ascending differential silicon harvesting means and method
11/22/1983US4416862 Process for the preparation of aluminium trichloride and silicon dioxide by chlorination of alumina with silicon tetrachloride
11/16/1983EP0094288A1 Process for the manufacture of zeolites
11/16/1983EP0094139A1 Process for the preparation of pure silicon dioxide
11/16/1983EP0094138A1 Process for preparing pure silicon dioxide having high mechanical strength, as well as silicon dioxide obtained by applying this process
11/16/1983EP0093981A1 Method of producing a single-crystal silicon film
11/15/1983US4415545 Crystallization of silicon, a metal or intermetallic by desolventizing with an etching gas
11/15/1983US4415473 Graphite-transition metal carbonyl
11/15/1983CA1156816A1 Process for manufacturing si useful for semiconductor components from quartz sand
11/15/1983CA1156815A1 Semicontinuous process for the manufacture of pure silicon
11/09/1983EP0093640A1 Process for the manufacture of silane from trichlorosilane
11/08/1983CA1156642A1 Method for preparing a cation exchanger and method for using such an exchanger for extracting metals from liquids
11/08/1983CA1156520A1 Method of producing an intermediate of silicon dioxide particles coated with carbon to be used in the production of silicon or silicon carbide
11/08/1983CA1156432A1 Process for receiving, storing and handling aluminum hydroxide wet hydrate
11/02/1983EP0092858A2 Process for the preparation of a catalytically active metal silicate
11/01/1983US4413146 Hydroformylation, propylene, hydrogen, carbon monoxide
11/01/1983US4412935 Silicon doped with phosphorus and hydrogen
11/01/1983CA1156208A1 Silica from single phase controlled hydrolysis of silicate ester
10/1983
10/26/1983EP0092108A2 Process for the treatment of acid waste water containing aluminium and iron
10/26/1983EP0092024A1 Silica prepared in the pyrogenic way, and process for its preparation
10/25/1983US4412018 Organophilic clay complexes, their preparation and compositions comprising said complexes
10/25/1983US4411740 Close-boiling chlorosilanes in sulfolane
10/25/1983CA1155830A1 Porous crystalline synthetic material constituted by silicon and titanium oxides, a method for its preparation, and its uses
10/25/1983CA1155824A1 Silica-based synthetic materials
10/25/1983CA1155728A1 Process for the preparation of silica sol
10/25/1983CA1155636A1 Ultrahigh purity silane and silicon production with recycle from separation columns
10/19/1983EP0091537A1 Crystalline aluminium silicate, process for producing it and its use
10/18/1983US4410501 Preparation of porous crystalline synthetic material comprised of silicon and titanium oxides
10/18/1983US4410405 Silica sol process
10/18/1983US4410364 Organic anion-organic cation-smectite clay organophilic reaction product
10/12/1983EP0091386A1 Process for purifying metals by segregation
10/11/1983US4409356 Organosilicic elastomers reinforced with improved precipitated silica particulates
10/11/1983US4409195 Purification of silicon source materials
10/05/1983EP0090442A2 Process for the preparation of catalytically active cross-linked metal silicate
10/05/1983EP0090321A2 Reactor and process for the manufacture of semiconductor silicon
10/05/1983EP0090319A1 Process for the selective deposition of layered structures consisting of silicides of high melting metals on substrates essentially consisting of silicon, and their use
10/05/1983EP0090125A1 Process for making pyrogenic silica hydrophobic
10/04/1983US4408030 Waste chlorosilane treatment
10/04/1983US4407858 Grinding in and thickening with oxygen-free liquids
10/04/1983US4407783 Producing silane from silicon tetrafluoride
09/1983
09/29/1983WO1983003244A1 Purification of silicon halides
09/28/1983EP0089783A1 Waste chlorosilane treatment
09/28/1983EP0089610A1 Process for the production of silicon, especially applicable to solar cells
09/28/1983EP0089353A1 Method for the selective chlorination of metal oxide mixtures of natural or synthetic origine.
09/21/1983EP0089010A1 Semicontinous process for the manufactore of pure silicon
09/21/1983EP0089009A1 Process for the removal of the slag from molten mixtures of slag and silicon
09/21/1983EP0088818A1 Support matrix for amino-containing biologically active substances
09/20/1983US4405702 Electrophotographic image-forming member with ladder-type silicon resin layer
09/20/1983US4405591 Hydrogenation of chlorosilanes to silane, SiH4, in bath of molten salts
09/20/1983US4405590 Contacting with a-oxoamine compound
09/20/1983US4405503 Production of zeolite agglomerates
09/20/1983US4405501 Aging of chromium-containing gel at high pH
09/20/1983US4405371 Novel clay mineral color developer for pressure sensitive recording paper and process for producing same
09/20/1983CA1154177A1 Amorphous silicon mis device
09/20/1983CA1153872A1 Fluidized bed heating process and apparatus
09/20/1983CA1153869A1 Production of silane
09/15/1983WO1983003091A1 Halosilane disproportionation process and catalyst system used therein
09/14/1983EP0088372A1 Process for the production of synthetic hectorite
09/13/1983CA1153847A1 Organosilicic compositions containing new precepitation silica with improved strengthening qualities
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