Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
11/1998
11/18/1998CN1199017A Method of making silicon for solar cell
11/17/1998US5837763 Compositions and methods for manufacturing waxes filled with intercalates and exfoliates formed with oligomers and polymers
11/17/1998US5837136 Mineral eluting material and manufacturing method thereof, and structural body of mineral eluting material
11/17/1998US5837023 Process for making gradient index optical elements
11/17/1998CA1340129C Finely divided divided precipitated silica having a high structure, process for producing same and its use
11/12/1998WO1998050306A1 Improved silica product for use in elastomers
11/12/1998WO1998050305A1 Improved silicas for use in rubber
11/12/1998WO1998050161A1 Method for improving properties of kaolin clays
11/11/1998EP0876215A1 Amorphous, microporous mixed oxide catalysts with controlled surface polarity for selective heterogeneous catalysis, adsorption and material separation
11/11/1998EP0701534B1 Process for making aluminosilicate for record material
11/10/1998US5834391 Silicate clays containing porous polymeric inorganic metal oxides filled with neutral amine surfactants and quaternary onium ions
11/10/1998US5833940 Production of soluble silicates from biogenetic silica
11/10/1998US5833746 Used in resin compositions for encapsulating semiconductors, high loading and high flowability without lowering strength of encapsulating compound
11/05/1998WO1998049721A1 Improved process for producing nanoporous silica thin films
11/04/1998EP0875905A1 Low dielectric constant composite film for integrated circuits of an inorganic aerogel and an organic filler grafted to the inorganic material and method of fabrication
11/04/1998EP0875538A1 Modified porous silica, process for preparing it and its use in paints and as carrier of pigments
11/04/1998CN1197765A Alumina purifying process using bauxite
11/03/1998US5830528 Intercalates and exfoliates formed with hydroxyl-functional; polyhydroxyl-functional; and aromatic compounds; composites materials containing same and methods of modifying rheology therewith
11/03/1998US5830387 Process of forming a hydrophobic aerogel
10/1998
10/29/1998DE19717690A1 Production of vanadium oxide-containing silica gels
10/29/1998CA2234035A1 Modified porous silica, process for its preparation and its use in paints and as pigment and dye carriers
10/28/1998EP0874036A1 Fine particulate polishing agent, method for producing the same and method for producing semiconductor devices.
10/28/1998CN1197284A Pulverizing superpureness silicon on ice
10/28/1998CN1197084A Compatibilized silica and polymer silica-reinforced masterbatches and process for preparation
10/28/1998CN1197038A High effective polymeric aluminium-silicon chloride flocculant and prepn. tech. thereof
10/28/1998CN1197037A Method and appts. of removing B from metal Si
10/28/1998CN1196976A Method of manufacture of molecular sieves
10/27/1998US5828127 Semiconductor substate with improved thermal conductivity
10/27/1998US5827773 Depositing microcrystalline film having amorphous matter, microcrystallites embedded therein, annealing; forms uniform crystal grains
10/27/1998US5827491 Process for preparing the synthetic porous crystalline material MCM-56
10/22/1998WO1998046799A1 Method for photolytic liquid phase synthesis of group iv nanocrystalline materials
10/22/1998WO1998046526A1 Process for producing nanoporous dielectric films at high ph
10/22/1998DE19716374A1 Protecting semiconductor material against contamination
10/21/1998EP0872447A1 Silicon oxide powder and process for the production thereof, cosmetics made by using the same, micelle-retaining powder, and perfume-retaining powder
10/20/1998US5824470 Protection of detectors by passivation and deprotection in a microscopic environment
10/20/1998US5824147 Alkali and alkaline earth metal silicates with titania, zirconia and boric oxide for coatings
10/15/1998WO1998045210A1 Process for producing metal oxide and organo-metal oxide compositions
10/15/1998WO1998045035A1 Process for producing low density gel compositions
10/15/1998WO1998045032A1 Process for producing low density gel compositions
10/15/1998CA2286149A1 Process for producing metal oxide and organo-metal oxide compositions
10/15/1998CA2286148A1 Process for producing low density gel compositions
10/15/1998CA2286147A1 Process for producing low density gel compositions
10/14/1998EP0870005A1 Improved organoclay products containing a branched chain alkyl quaternary ammonium ion
10/14/1998CN1196003A Highly purified biogenic silica product
10/14/1998CN1195645A Process for preparing ultrafine aluminium silicate salt particles
10/14/1998CN1040200C Silicas
10/13/1998US5821207 Method for producing fine solid builder particle
10/13/1998US5820923 For use with temperature sensitive substrates such as dielectrics and electronics; lowered temperature processing
10/13/1998US5820842 Refining molten silicon, cooling and adding silica to melt
10/07/1998EP0869102A1 Process and apparatus for preparing polycrystalline silicon and process for preparing silicon substrate for solar cell
10/07/1998EP0868402A1 Method of producing inorganic aerogels under subcritical conditions
10/07/1998EP0868401A1 Method and apparatus for forming fused silica by combustion of liquid reactants
10/07/1998EP0543999B1 Flaky fine powder, production thereof, and cosmetic
10/07/1998CN1194940A Process for producing sodium-base bentonite from calcium-base bentonite
09/1998
09/30/1998EP0867405A1 Method for producing silicon for use in solar cells
09/30/1998EP0866769A1 Process for recovery of alumina and silica
09/30/1998CN1194624A Polycrystalline silicon rod and process for preparing the same
09/30/1998CN1194623A Silicon carbide gemstones
09/29/1998US5814597 Multicomponent mixtures based on water-soluble alkali metal silicate compounds and their use, more particularly as builders in detergents
09/29/1998US5814407 Glycosylated particle of latex or of inorganic oxide and process for the preparation thereof
09/24/1998DE19711550A1 Edge zone-free polycrystalline silicon article production
09/23/1998EP0638110B1 Improved process for preparing silica coated inorganic particles
09/23/1998CN1193601A Preparation of activated clay
09/23/1998CN1039898C Production process for extracting silicon dioxide
09/22/1998US5811031 Method for the subcritical drying of aerogels
09/22/1998US5811030 Process for producing silicon colloid
09/22/1998US5810934 Silicon deposition reactor apparatus
09/22/1998US5810899 Glass production
09/22/1998CA2141550C Aqueous suspensions of colloidal particles, preparation and use of the suspensions
09/22/1998CA2030780C Opacifying kaolin pigments and process for making same
09/17/1998WO1998040543A1 Process for preparing polysilicon using exothermic reaction
09/17/1998DE19710383A1 X=ray amorphous sodium silicate with lower crystallisation temperature
09/17/1998CA2283562A1 Process for preparing polysilicon using exothermic reaction
09/16/1998EP0864531A1 Wet silica gels for aerogel and xerogel thermal insulation and processes for the wet gels
09/15/1998US5807951 Pharmaceutical composition regulating function of a living body
09/15/1998US5807501 Using a strong mineral acid; aging; hydrophobing
09/15/1998US5807474 Process for the preparation of catalysts and for cracking mineral oil fractions
09/11/1998WO1998039804A1 Columnar-grained polycrystalline solar cell substrate and improved method of manufacture
09/11/1998CA2283334A1 Columnar-grained polycrystalline solar cell substrate and improved method of manufacture
09/09/1998EP0863108A1 Process for purifying natural or synthetic silica and depositing purified silica on an optical fibre preform
09/09/1998CN1192424A Method for prepn. of metal silicon, and reducing agent therefor
09/08/1998US5804613 Intercalates and exfoliates formed with monomeric carbonyl-functional organic compounds, including carboxylic and polycarboxylic acids; aldehydes; and ketones; composite materials containing same and methods of modifying rheology therewith
09/02/1998EP0861207A1 Process for preparing organically modified aerogels using alcohols, wherein the resultant salts are precipitated
09/02/1998CN1191771A Molecular sieve layers and processes for their manufacture
09/01/1998US5800800 Crystalline inorganic oxide compositions prepared by neutral templating route
09/01/1998US5800794 Clathrate compounds and processes for production thereof
09/01/1998US5800615 Flat line powder coating system
09/01/1998US5800608 Process for the preparation of precipitated silica, new precipitated silicas containing aluminum and their use for the reinforcement of elastomers
09/01/1998US5800606 Ultrafine reactive silica particles, suspension containing the same, and hard coating composition
08/1998
08/27/1998WO1998037021A1 Method for making hydrophobic organosilicate-modified silica gels under neutral conditions
08/27/1998WO1998037020A1 Hydrophobic silica gels with reduced surface area
08/27/1998WO1998037019A1 Method for preparing hydrophobic silica gels
08/27/1998WO1998037018A1 Method for preparing hydrophobic silica gels with improved heat stability
08/27/1998WO1998037017A1 Neutral-aged hydrophobic organosilicate-modified silica gels
08/27/1998WO1998037016A1 Method for making hydrophobic silica gels under neutral conditions
08/27/1998WO1998037015A1 Hydrophobic organosilicate-modified silica gels
08/27/1998WO1998037014A1 Neutral-aged hydrophobic silica gels with reduced surface area
08/27/1998WO1998037013A1 Process for making hydrophobic silica with reduced surface area under neutral conditions
08/27/1998CA2280795A1 Hydrophobic silica gels with reduced surface area
08/26/1998EP0860399A1 Method of preparing crystalline sodium silicates