Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 33 - Silicon; Compounds thereof
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
06/1989
06/07/1989CN1033263A Combined prodn. process of solidifying agent of sulfuric acid
06/06/1989US4837376 Treatment with halosilane, steam, hydrogen
06/06/1989US4836997 Plasma production of trichorosilane, SiHCl3
06/06/1989US4836954 Fluorinated phyllosilicate and method
06/06/1989CA1255191A1 Process and apparatus for producing semi-conductor foils
06/01/1989WO1989004858A1 Supercritical fluid reverse micelle separation
06/01/1989WO1989004844A1 Processes for microemulsion polymerization employing novel microemulsion systems
06/01/1989WO1989004811A1 Method for the processing of fly ash, scrubber sludge and the like; and products recovered therefrom
05/1989
05/31/1989EP0318219A2 Aluminosilicates
05/31/1989EP0318008A2 High purity doping alloys
05/30/1989US4835298 Method for producing liquid alkoxides of mixed metals
05/30/1989CA1254716A1 Chlorosilane dispropotionation catalyst and method for producing a silane compound by means of the catalyst
05/24/1989EP0317378A1 Silica for toothpaste compositions, especially compatible with zinc
05/24/1989EP0317006A2 Process for the manufacture of synthetic saponites
05/24/1989EP0316765A1 Surface treatment process for rendering silicon wafers hydrophilic, and/or removing any mastic remains therefrom
05/24/1989EP0316472A1 Silane production from magnesium hydride
05/24/1989DE3738778A1 Process for preparing aluminium fluoride trihydrate
05/23/1989US4832862 Composite detergent particulates
05/23/1989US4831964 Production of shaped articles of ultra-pure silicon
05/16/1989US4830843 Synthetic lamellar magnesium phyllosilicate and process for preparation thereof
05/10/1989EP0315503A1 Silica for dentifrice compositions, compatible more particularly with chlorhexidine
05/09/1989US4828814 Extraction of impurities by migration into molten purifying agent
05/09/1989US4828606 Process for preparing intermetallic compounds or hydrides thereof
05/09/1989CA1253837A1 Layered oxides containing interlayer polymeric oxides and their synthesis
05/05/1989WO1989003805A2 Production of low-fluorine calcium phosphate and phosphoric acid and of silica
05/03/1989EP0314582A1 Method of hydroxylating phenols and phenol ethers
05/03/1989EP0314542A1 Process for the purification of silane
05/03/1989EP0314166A1 Process for the production of monodisperse ceramic powders
05/02/1989US4826790 Production of porous mullite bodies
05/02/1989US4826789 Porous inorganic materials
05/02/1989US4826668 Silane pyrolysis, recycling exhaust gases
05/02/1989US4826666 Method of preparing metal carbides and the like and precursors used in such method
05/02/1989US4826628 Vapor/thermal method of delaminating and stabilizing a phyllosilate and product
05/02/1989US4826521 Hydrolysis of silicon tetrachloride
04/1989
04/26/1989EP0313095A2 Method for preparing hydroxysilanes and/or their oligomers
04/26/1989EP0313016A2 Inorganic, insoluble industrial raw material producible from waste, method for its production and use
04/26/1989EP0312988A2 Improved organophilic clay gellant and processes for preparing organophilic clay gellants
04/26/1989EP0312954A2 Process for exfoliation of vermiculite
04/25/1989US4824807 Flexible alkali metal silicate glass products
04/25/1989US4824657 Hyhdriding with lithium hydride
04/25/1989US4824652 Method for treating activated silicon powder
04/25/1989CA1253129A1 Porous inorganic materials
04/25/1989CA1252982A1 Extrusion of silica-rich solids
04/19/1989CN1032429A Production of soluble sillicates from biogenetic silics
04/19/1989CN1032421A Silica extrudates
04/18/1989US4822903 Fluorinated silica catalyst and preparation of aromatic/aliphatic nitriles in the presence thereof
04/18/1989US4822585 Extrating heat, crystallization, and separation
04/18/1989CA1252634A1 Process of making silicon, iron and ferroalloys
04/18/1989CA1252609A1 Leaching apparatus
04/12/1989CN1032303A Double-injection method for preparing uniform corpuscles of silicon dioxide
04/11/1989US4820587 Polysilicon produced by a fluid bed process
04/11/1989US4820439 Washing and cleaning agent containing surfactants, builder, and crystalline layered sodium silicate
04/11/1989US4820341 Process for producing silicon or ferrosilicon in a low-shaft electric furnace
04/11/1989CA1252344A1 Particles, modified at their surface by hydrophilic and hydrophobic groups
04/11/1989CA1252278A1 Process for the production of silicon or ferrosilicon in an electric low shaft furnace, and rawmaterial mouldings suitable for the process
04/06/1989WO1989002869A1 Process for preparing metallic oxides
04/05/1989EP0309576A1 Composition for altering rheological properties
04/04/1989US4818510 Classification, solvent treatment, reclassification
04/04/1989US4818495 For production of high purity polycrystalline silicon, seed particles
04/04/1989US4818435 Aqueous suspension of delaminated vermiculite
03/1989
03/29/1989EP0309048A1 Silica extrudates
03/28/1989CA1251894A1 Silicon and/or fluorine treated alumina
03/28/1989CA1251695A1 Process for producing organophilic silica
03/28/1989CA1251618A1 Process for preparing crystalline silicas
03/28/1989CA1251617A1 Phosphoric acid preparation process
03/23/1989WO1989002415A1 Method for the purification of silicon
03/22/1989EP0308165A2 Silicas
03/22/1989EP0307548A2 A process for manufacturing organoclays having enhanced gelling properties
03/22/1989CN1031822A Process for manufacture of silica gel capable of adjusting porous structure and non-cracking for soaking water
03/22/1989CN1031821A Process for manufacture of the carbon-white by using the acid sludge from sulfuric acid alkylation
03/21/1989US4814155 Method of selective reduction of polyhalosilanes with alkyltin hydrides
03/21/1989CA1251440A1 Adsorbents based on phyllosilicic acids which have been modified so as to be organophilic
03/21/1989CA1251435A1 Crystalline galloborosilicates
03/21/1989CA1251432A1 Layered oxides containing interlayer polymeric oxides and their synthesis
03/15/1989EP0307060A2 Process for the preparation of crystalline (metallo) silicates
03/15/1989EP0306951A1 Method for preparing silica gel particles
03/15/1989EP0306862A2 Method of hydrophobing silica
03/15/1989EP0306828A2 Method for the hydrothermal production of water glasses
03/14/1989US4812260 Process for production of mineral dispersions
03/14/1989US4812166 High frequency induction plasma
03/14/1989CA1251192A1 Method for the preparation of an amorphous metal oxide composite
03/09/1989DE3728787A1 Process for the disposal of residues formed in asbestos production
03/08/1989EP0306214A1 Novel stannosilicates and preparation and use thereof
03/08/1989EP0306172A1 Stabilized phyllosilicates and method for their production
03/08/1989EP0305867A2 Hydrogen purification process
03/08/1989EP0305476A1 Stable intercalated clays and preparation method
03/07/1989US4810682 Production of useful materials including synthetic nepheline from Bayer red mud
03/07/1989US4810482 Reduction with alkylaluminum hydride and trialkylaluminum
03/07/1989US4810415 Process for manufacturing ultra pure silica and resulting encapsulated products
03/02/1989DE3728003A1 Process for carrying out ion exchange reactions on micas
03/01/1989EP0304715A1 Process for the continuous purification of silicon
03/01/1989EP0304714A1 Process for separating impurities from silicon
02/1989
02/28/1989US4808397 Process for preparing fine particles of metal oxides
02/28/1989US4808392 Process for producing silanes
02/28/1989CA1250408A1 Fluxing system for reactors for production of silicon
02/23/1989DE3726568A1 Arrangement for manufacturing tubes consisting of semiconductor material
02/22/1989EP0303973A1 Fluid bed reactor and process
02/22/1989EP0303943A2 Process for the reduction of the halogen content in halogen-containing polycarbosilanes and polysilanes
02/22/1989EP0181403B1 Process for preparing inorganic fibers
02/21/1989US4806665 Preparation of silica sol
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