Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
02/1986
02/25/1986US4572827 Process for preparing finely-divided silicon dioxide in good yield
02/25/1986US4572729 Hydrolysis of silicon tetrachloride and sintering of product
02/25/1986CA1200963A1 Separation of chlorosilanes
02/19/1986EP0171962A2 Water-swellable clay composition
02/19/1986EP0171722A2 Process for obtaining aerogels
02/18/1986US4571328 Electrodepositing silicon coating on substate from metal hydride solution
02/18/1986US4570713 Aqueous silicon compounds in oil well recovery methods
02/11/1986US4569923 Process for manufacturing organoclays having enhanced gelling properties
02/11/1986US4569307 Silicon melting and evaporation apparatus for high purity applications
02/11/1986CA1200444A1 Coating process using alkoxy substituted silicon- bearing reactant
02/05/1986EP0170579A1 Silica with a high oil-uptake and controlled primary structure, and process for the preparation thereof
02/05/1986EP0170578A1 Processes for the preparation of silica colloids and spherical silicas
02/05/1986EP0170334A2 Process for the preparation of silica spheres
02/05/1986EP0170299A2 A rheological grade sepiolite product and processes for its manufacture
02/05/1986EP0170040A1 Process and device for the continuous hydrothermal production of sodium silicate solutions
02/04/1986US4568437 Conversion of monosilane using a glow discharge
02/04/1986CA1200071A1 Stabilization of aqueous silicates using alkali siliconates of silylorganosulfonates
01/1986
01/28/1986US4567286 Preparation of hydrogenated silanes by redistribution of hydrosilanes
01/28/1986US4567030 Amorphous, spherical inorganic compound and process for preparation thereof
01/28/1986US4566986 Flocculating agents and processes for making them
01/21/1986US4565913 Method for the disintegration of silicon for semiconductor
01/21/1986US4565711 Method of and apparatus for the coating of quartz crucibles with protective layers
01/21/1986US4565682 Pyrolysis with a flame, dentistry
01/21/1986US4565677 Method for purifying raw material gas for use in semiconductor manufacturing and purifier for use in said method and method of manufacturing said purifier
01/14/1986US4564556 Transparent non-vitreous ceramic particulate
01/14/1986US4564512 Process for the production of coarse particle mordenite
01/14/1986US4564511 Synthesis of molecular sieving metallosilicates using heteropolymetallates
01/14/1986US4564509 Method and apparatus for improved gettering for reactant gases
01/08/1986EP0167483A2 Metal borides and their method of preparation
01/08/1986EP0167324A2 Extrusion of silica-rich solids
01/08/1986EP0167206A2 Synthetic fraipontite and process for preparation thereof
01/08/1986EP0167156A2 Process for preparing silicon tetrachloride
01/08/1986EP0089353B1 Method for the selective chlorination of metal oxide mixtures of natural or synthetic origine
01/07/1986US4563338 Stepwise extraction
01/07/1986CA1198879A1 Method for producing high purity starting material for attaining si for solar cells
01/02/1986EP0166482A2 Improved process for recovering metals from the corresponding metal halides
01/02/1986EP0166481A2 Process for obtaining silicon or transition metals from their halides
01/02/1986EP0166157A2 Silicon and/or fluorine treated alumina
12/1985
12/31/1985US4562338 Heating power supply apparatus for polycrystalline semiconductor rods
12/31/1985US4561930 Process for the production of coarsely crystalline silicon
12/31/1985CA1198581A1 Method and apparatus for producing high purity silicon from flames of sodium and silicon tetrachloride
12/27/1985EP0165647A2 Process for preparation of synthetic crystalline zinc silicate mineral
12/27/1985EP0165646A2 Synthetic lamellar magnesium phyllosilicate and process for preparation thereof
12/27/1985EP0165449A1 Process for making semi-conductor films
12/24/1985US4560540 Reacting with alkali metal salt to form alkali flouroaluminate
12/18/1985EP0164977A2 Agglomerates of malachite crystals and method for their preparation
12/18/1985EP0164552A2 Method of preparing crystalline sodium silicates
12/18/1985EP0164514A1 Use of lamellar crystalline sodium silicates in water-softening processes
12/17/1985US4559264 Synthetic mica products
12/17/1985US4559219 Controlling the quantity of halogen in reaction mixture
12/17/1985US4559218 Process and apparatus for preparing finely-divided silicon dioxide having good thixotropic properties
12/11/1985EP0164250A2 Process for production of silane
12/11/1985EP0164073A2 Method of hydrothermally preparing clear solutions of sodium silicates
12/10/1985US4558017 Light induced production of ultrafine powders comprising metal silicide powder and silicon
12/10/1985US4557921 Removing hydrogen halide and sulfur dioxide from silicon tetrafluoride with zeolite
12/10/1985US4557918 Purification by leaching with acid followed by leaching with base
12/10/1985US4557916 Synthetic calcium silicates and methods of preparation
12/10/1985US4557915 Treating phosphate ore with acid and fluorosilicic acid
12/10/1985US4557858 Method of making an electronically conductive tectosilicate, and such tectosilicate when made according to the method
12/10/1985US4557815 Method of concentrating silka in an aqueous alkali metal silicate solution
12/10/1985CA1197749A1 Sodium metasilicate granules, their preparation and their use in dishwasher detergents
12/04/1985EP0163560A2 Zeolite with a two-dimensional structure, and use of this zeolite
12/03/1985US4556466 Method of concentrating silica in an aqueous alkali metal silicate solution
12/03/1985US4556465 Passing through an electrodialysis stack and alternating ion exchange membranes
12/03/1985US4556416 Process and apparatus for manufacturing fine powder
11/1985
11/27/1985EP0162716A2 A process for preparing polymer particles
11/21/1985EP0161680A2 Method for producing glass preform for optical fiber
11/21/1985EP0161411A2 Organophilic clay gellant and process for its production
11/19/1985US4554396 Olefin upgrading with ferrosilicate zeolite catalyst
11/19/1985US4554211 Spherical micro-porous silica gel and a production process thereof
11/19/1985US4554180 Decomposition of a cyclic silane
11/19/1985US4554146 Process for preparing a zeolite of the L type using organic templates
11/19/1985US4554142 Hydrothermal crystallization, ether solvent
11/19/1985US4554141 Gas stream purification
11/12/1985US4552202 Cellulose suspension agent, bindeers
11/06/1985EP0160514A2 Organo-clays
11/06/1985EP0160335A2 Process for the preparation of an aromatic hydrocarbon mixture
11/06/1985EP0160294A2 Process for removing solid reaction products from silicon produced in an arc furnace
11/06/1985EP0160267A2 Porous cordierite ceramics, a process for producing same and use of the porous cordierite ceramics
11/05/1985CA1196322A1 Silica-containing shaped articles, a process for their preparation, and their use
11/05/1985CA1196173A1 Method for recovering useful products from waste products obtained when manufacturing aluminium fluoride
10/1985
10/30/1985EP0159887A2 Radiopaque, low visual opacity dental composites containing non-vitreous microparticles
10/30/1985EP0159822A1 Inorganic filler and process for production thereof
10/30/1985EP0159756A2 Silica intercalated crystalline zirconium phosphate-type materials
10/30/1985EP0159578A2 Amorphous silica particles, a method for producing same, and use thereof
10/29/1985US4550047 Silicon source component for use in molecular beam epitaxial growth apparatus
10/24/1985WO1985004678A1 Process for preparing inorganic fibers
10/23/1985EP0158909A2 Immobilized enzymes, processes for preparing same and use thereof
10/22/1985US4548917 Ionic inorganic salt and compound capable of partially dissociating salt by complexing its cation used as catalyst system
10/22/1985US4548798 Laser synthesis of refractory oxide powders
10/22/1985US4548670 Electric arcs
10/22/1985CA1195478A1 Production of elemental silicon from impure silane feed
10/16/1985EP0158563A1 Process for the non-polluting production of solid silicon from finely divided silicon
10/16/1985EP0158491A2 Synthesis of zeolitic materials
10/15/1985US4547258 Deposition of silicon at temperatures above its melting point
10/15/1985US4546811 Process for the treatment of a liquid mass
10/15/1985CA1195313A1 Composite crystalline aluminium silicates and their use in a process for dewaxing hydrocarbon oils
10/15/1985CA1195312A1 Process for the preparation of a catalytically active metal silicate
10/10/1985WO1985004389A1 Process for the hydrogenation of silicon tetrachloride
10/09/1985EP0157703A1 Precipitated silica with morphological properties, process for producing it and its application, especially as a filler