Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
06/1999
06/29/1999US5916944 Silica precursor resin and a filler diluted in a solvent, wherein the filler is one which reacts in an oxidizing atmosphere to liberate heat.
06/29/1999US5916836 Method of manufacture of molecular sieves
06/29/1999CA2087911C Spherical granules of porous silica or silicate, process for the production thereof, and applications thereof
06/24/1999WO1999031013A1 Chemical vapor deposition system for polycrystalline silicon rod production
06/24/1999DE19756633A1 Lyogels and aerogels subcritically dried in a packed bed with minimal particle breakdown
06/23/1999EP0924267A1 Method of steam stripping an inorganic powder
06/23/1999CN1220647A Amorphous precipitated silica
06/23/1999CN1220646A Amorphous precipitated silica
06/17/1999WO1999029623A1 Precipitated amorphous silicas having improved physical properties
06/17/1999DE19855475A1 Two-component water vapor sorption material for e.g. heat pumps or refrigerators
06/16/1999EP0922671A1 Precipitated silica
06/16/1999CN1219919A Dissolvable oxides for biological applications
06/16/1999CN1219552A Silica-base rubber composition for manufacture of road tires
06/16/1999CN1219504A Production technique for smelting crystalline silicon with complete quartz sand
06/16/1999CN1043634C Aluminosilicates
06/16/1999CN1043633C Method for making fumed silica
06/15/1999US5911963 Amorphous precipitated silica having a low proportion of small pores
06/15/1999US5911658 Method for producing silica aerogel under subcritical conditions
06/12/1999CA2255456A1 Precipitated silica
06/10/1999WO1999028409A1 Method of preparing high brightness, shorter persistence zinc orthosilicate phosphor
06/09/1999EP0921561A2 Composition for film formation and film
06/09/1999EP0921098A1 Closed loop process for producing polycrystalline silicon and fumed silica
06/09/1999EP0920337A1 Use of inorganic aerogels in pharmacy
06/09/1999EP0850197B1 Organofunctionalised aerogels
06/09/1999CN1043567C 高岭土衍生物 Kaolin derivatives
06/08/1999US5911023 Polyolefin materials suitable for optical fiber cable components
06/08/1999US5910295 Closed loop process for producing polycrystalline silicon and fumed silica
06/08/1999CA2140371C Polymeric aluminium silicate-sulphate and process and apparatus for producing same
06/08/1999CA2012719C Aqueous colloidal dispersion of fumed silica, acid and stabilizer
06/03/1999WO1999026880A1 A method of producing silicon tetrachloride-based and organically modified aerogels
06/03/1999CA2309638A1 A method of producing silicon tetrachloride-based and organically modified aerogels
06/02/1999EP0883570A4 Stable high solids, high ratio alkali metal silicate solutions
06/02/1999EP0690825B1 Catalytic treatment process for effluents containing organic and inorganic compounds, preferably from epichlorhydrine production
06/02/1999CN1043537C Aqueous suspensions of colloidal particles, preparation and use of the suspensions
06/01/1999US5908823 Microporous crystalline material, a process for its preparation and its use in detergent compositions
06/01/1999US5908660 Method of preparing hydrophobic precipitated silica
05/1999
05/27/1999DE19752456A1 Production of organically modified silica aerogel
05/26/1999EP0917519A1 Fällungskieselsäure
05/26/1999CN1217293A 2:1 laminated silicate catalyst with very large crystal lattice lattice span for bridging two octabedras and inversion method
05/26/1999CN1217292A Opaque silica composition
05/25/1999US5906843 Amorphous precipitated silica having large liquid carrying capacity
05/25/1999US5906799 Chlorosilane and hydrogen reactor
05/25/1999CA2047187C Improved vitreous silica products
05/20/1999WO1999024360A1 Treatment of mineral particles
05/20/1999DE19850266A1 Feldspar-rich dental porcelain composition
05/19/1999EP0916619A1 Porous inorganic particulate material
05/19/1999EP0916402A1 Pressed articles of pyrogenically prepared silicon dioxide
05/19/1999EP0915807A1 Process for producing organically modified aerogel
05/19/1999EP0789667B1 Process for preparing aerogels
05/19/1999EP0644157B1 Chromatographic packing material comprising a cation-substituted clay mineral, process for producing the packing material and using the same
05/19/1999EP0620781B1 Light-transparent heat-protection element
05/19/1999CN1217007A Pigment particles coated with precipitated calcium carbonate and process for preparing same
05/14/1999WO1999023189A1 Abrasive particles for surface polishing
05/14/1999WO1999023102A1 Polyol-based precursors for nanoporous silica thin films
05/14/1999WO1999023101A1 Alcohol-based processors for producing nanoporous silica thin films
05/14/1999WO1999023033A1 Aluminosilicate
05/14/1999WO1999022860A1 Mesoporous silicoaluminate products and production thereof by controlled acid extraction of aluminum from calcium bentonite clay
05/14/1999WO1999022849A1 Biomimetic pathways for assembling inorganic thin films and oriented mesoscopic silicate patterns through guided growth
05/13/1999CA2253952A1 Mouldings based on pyrogenic silicon dioxide
05/12/1999EP0914308A1 Modified mcm-56, its preparation and use
05/12/1999EP0810975B1 Method of producing hydrophilic or partially hydrophilic inorganic aerogels
05/12/1999EP0778241B1 Novel composite hydroxide/condensed silicates, process for the production thereof, infrared absorber, and agricultural film
05/12/1999CN1216567A Method for preparing particles comprising a core and a silica shell
05/12/1999CN1216565A Method for preparing hollow silica particles
05/12/1999CN1216559A Polyolefin film, compositions and resins useable therefore and related making method
05/12/1999CN1216480A Procedure for preparing molecular sieve films
05/12/1999CN1216288A Process for preparing highly pure silicon granules
05/12/1999CN1043336C Process for preparing granular sodium silicates
05/11/1999US5902766 Alumoxanes, catalysts utilizing alumoxanes and polymers therefrom
05/11/1999US5902650 Depositing on substrate amorphous silicon based film having predetermined resistivity by chemical vapor deposition using gas mixture comprising silane, hydrogen, phosphine, nitrogen-containing gas with adjusted flow rate
05/11/1999US5902498 Methods of joining metal components and resulting articles particularly automotive torque converter assemblies
05/11/1999US5902226 Method of preparing a propanol sol of silica
05/06/1999WO1999021934A1 Stabilized particles and methods of preparation and use thereof
05/05/1999CN1216031A Method for producing crystalline inorganic builders
05/04/1999US5901338 Method for producing uranium oxide and silicon tetrafluoride from uranium tetrafluoride, silicon, and a gaseous oxide
05/04/1999US5900450 Three-dimensionally connected silica sphere-resin composite and method for production thereof
05/04/1999US5900381 Opaque silica composition
05/04/1999US5899752 Method for in-situ cleaning of native oxide from silicon surfaces
04/1999
04/29/1999WO1999020564A1 Method for treating silica gel
04/28/1999EP0911875A2 Integrated circuit dielectric and method of fabrication thereof
04/28/1999EP0910468A1 Electrically assisted synthesis of particles and films with precisely controlled characteristics
04/28/1999EP0778812B1 Process for producing ceramic powders, especially titanium dioxide useful as a photocatalyst
04/28/1999EP0765291B1 Process for treating zircon
04/27/1999US5897849 Hydrothermal treatment
04/27/1999CA2008463C Inorganic hydrogel flatting agents
04/21/1999EP0909787A1 Intercalates and exfoliates formed with monomers, oligomers and/or copolymers and composite materials containing same
04/21/1999EP0909159A1 Precipitated silicas having improved dentifrice performance characteristics and methods of preparation
04/21/1999EP0804382B1 Novel temperature-activated polysilicic acids and their use in paper production processes
04/21/1999EP0797540B1 Abrasive silicas for toothpaste compositions
04/21/1999CN1214319A Modified nanometer heat insulating material and its production process
04/20/1999US5895637 Reacting silicate and sodium hydroxide; filtration, heat treatment, pressing, compaction; crystallization
04/20/1999US5895594 Silicon polyrods
04/15/1999WO1999018045A1 Aqueous suspension based on alkaline aluminium polysulphate, preparation method and use in the field of building materials
04/15/1999DE19846396A1 Amorphous inorganic builder for use in washing agents
04/15/1999CA2247607A1 Intercalates and exfoliates formed with n-alkenyl amides and/or acrylate-functional pyrrolidone and allylic monomers, oligomers and/or copolymers and composite materials containing same
04/14/1999EP0908233A1 Pillard 2:1 dioctaedrique phylosilicate having large reticular distance, catalyst and conversion process
04/14/1999EP0907612A1 Silica capable of being used in toothpaste compositions
04/14/1999CN1213651A Silica glass composition and method for manufacturing silica glass using same
04/08/1999DE19743692A1 Thin film silicon solar cell structure incorporates a porous silicon layer
04/07/1999EP0906891A2 Fine particle classifier