Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
03/1998
03/31/1998US5733439 Alkylation catalyst; hydrocracking; oligomerization
03/26/1998DE19740923A1 Production of silicon tri:chloride with improved selectivity
03/25/1998EP0831521A2 Method for forming a silicide region
03/25/1998EP0831060A1 Synthetic quartz glass powder, quartz glass moldings, high purity tetraalkoxysilane, and production methods thereof
03/25/1998EP0831059A1 Mesoporous silica, process for the preparation thereof and use thereof
03/25/1998EP0830127A1 Dentifrice compositions
03/25/1998CN1177337A Method for producing crystalling inorganic ion exchange material
03/25/1998CN1176935A Process for making silicon tetrachloride
03/25/1998CN1176858A Method and equipment for prodn. of continuous casting protective slag material by tower furnace
03/25/1998CN1037834C Process for producing active white carbon black
03/24/1998US5730838 Process for extracting pure, coarse grain silicic acid crystals from spent lye
03/19/1998WO1998011018A1 Silicon refining process
03/19/1998CA2261891A1 Silicon refining process
03/18/1998CN1176225A Oxygen-introducing and calcium-eliminating production technology of metallic silicon
03/17/1998US5728764 Formulations including improved organoclay compositions
03/17/1998US5728366 Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalent organic anions
03/17/1998US5728365 Reacting divalent metal compound and trivalent metal oxide powder in aqueous suspension to form double hydroxide, contacting with acid or salt of divalent inorganic anion to form intercalated layered double hydroxide, separating
03/17/1998US5728364 Two powder synthesis of hydrotalcite and hydrotalcite like compounds
03/17/1998US5728363 React trivalent metal oxide powder with divalent metal compound and react intermediate formed with anion source, separation
03/12/1998WO1998009723A1 Fe- and al-containing synthetic polysilicic acid (silica) for refining oils
03/11/1998EP0797542A4 Process for forming alumino-silicate derivatives
03/11/1998CN1175904A Use of inorganic aerogels in pharmacy
03/11/1998CN1175886A Use of aerogels in agriculture
03/11/1998CN1037673C Process for producing fumed silica
03/10/1998US5726260 Process for the production of a microspheroidal powder of low dispersity, microspheroidal powder of low dispersity thus obtained, catalysts for the polymerization of alpha-olefins and process for the polymerization of alpha-olefins
03/10/1998US5726113 Porous clay heterostructures prepared by gallery templated synthesis
03/05/1998WO1998008773A1 Silicon-substituted apatites and process for the preparation thereof
03/05/1998DE19635730A1 Fe- und Al-haltige synthetische Polykieselsäure (silica) zur Behandlung von Ölen Fe and Al-containing synthetic polysilicic acid (silica) for the treatment of oils
03/04/1998EP0826630A2 Method of producing synthethic silicates and use thereof in glass production
03/04/1998EP0825847A1 Dentifrice compositions
03/03/1998US5723644 Phosphorous removal from chlorosilane
03/03/1998US5723397 Molecular sieve layers and processes for their manufacture
03/03/1998US5723391 Silicon carbide gemstones
02/1998
02/25/1998EP0824369A1 A method for manufacturing a support material for catalysis
02/25/1998EP0824340A1 Dentifrice compositions
02/25/1998EP0797541A4 Alumino-silicate derivatives
02/25/1998CN1174168A Production process of active silica white from gangue
02/25/1998CN1174093A Method of reducing irritativeness of surface active agents and aqueous compositions with reduced irritativeness
02/24/1998US5721306 Viscous carrier compositions, including gels, formed with an organic liquid carrier and a layered material:polymer complex
02/18/1998CN1173534A Microporous crystalline material, process for its preparation and its use in detergent compositions
02/18/1998CN1173465A Silica gel prepn. method capable of regulating its pore structure
02/18/1998CN1173464A Refining process of industrial silicon
02/18/1998CN1173395A Process for preparation of micro-meso porous material with high surface area and controlled distribution of porosity
02/17/1998US5718841 Organoclay compositions manufactured with organic acid derived ester quaternary ammonium compounds
02/12/1998WO1998005591A1 Process for producing organically modified aerogel
02/11/1998EP0823403A1 Processes for producing synthetic quartz powder and producing shaped quartz glass
02/11/1998CN1172685A Method and apparatus for purifying substance
02/11/1998CN1037334C Syntesis silicon phosphorus alumiuium molecular sieve and equipment using triethylamine as mould agent
02/10/1998US5716898 Preparing hydrogel, grinding to specified particle size, forming aqueous suspension, atomizing in gas stream, collecting particles, contacting with alochol and/or ether to remove moisture, drying
02/10/1998US5716590 Catalytically active material comprises elemental silicon and at least one transition metal or transition metal silicide
02/04/1998EP0822163A2 Exfoliated layered materials and nanocompositions comprising said exfoliated layered materials having water-insoluble oligomers or polymers adhered thereto
02/04/1998EP0821655A1 Method for producing crystalline, inorganic ion exchange material
02/04/1998CN1172114A Process for converting high-boiling residue from direct process to monosilanes
02/04/1998CN1171982A Method for fabricating porous composite oxide
02/03/1998US5714309 Comprising a fibrous polymeric silicoaluminate and a water soluble protein
02/03/1998US5714131 Metallurgical silicon containing phosphorus for the preparation of organohalogenosilanes
01/1998
01/29/1998WO1998003453A1 Modified mcm-56, its preparation and use
01/29/1998WO1998003153A1 Flavour-compatible silica, method for preparing same and toothpaste compositions containing said silica
01/28/1998EP0609285B1 Pesticide and fungicide
01/28/1998CN1171295A Method for fabricating porous composite oxide
01/28/1998CN1037165C Process for refining water glass
01/27/1998US5712402 Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation
01/27/1998US5711925 Reaction of disilicon hexachloride with fluorine compound suspended in ether compound
01/27/1998US5711903 Purification of silica
01/27/1998US5711797 Silanized silicic acids
01/22/1998WO1998002241A1 Electrically assisted synthesis of particles and films with precisely controlled characteristics
01/22/1998CA2259691A1 Electrically assisted synthesis of particles and films with precisely controlled characteristics
01/21/1998CN1170517A Method for producing feed calcium by acid-saving decalcification and defluorination
01/21/1998CN1037110C Method for producing white carbon black
01/21/1998CN1037087C Method and equipment for preparing fluosilicic acid by water absorbing process
01/20/1998US5710203 Electronic coating compositions
01/20/1998US5709715 Silicon or silica substrate with a modified surface, process for producing the same, new orthoesters and process for producing the same
01/15/1998WO1998001391A1 Abrasive silica to be used in toothpaste
01/14/1998EP0818419A2 Aluminium-based polymer material and use of this material in a photographic procuct
01/14/1998EP0716641B1 Hydrophobic silicic acid aerogels
01/14/1998EP0711252B1 Method for production of white microsilica
01/14/1998EP0665815B1 Amorphous alkali metal silicate, process and uses
01/14/1998CN1170393A Manufacture of carbonyl fluoride
01/14/1998CN1169952A Synthesis of selective oxidation catalyst Ti-si molecular sieves
01/14/1998CN1036990C Precipitated silicas
01/13/1998US5708069 Method for making hydrophobic silica gels under neutral conditions
01/13/1998US5707960 Amorphous sodium silicate-metal sulfate composite powder
01/13/1998US5707598 Porous material composed of layered silica and metal oxide and a process for manufacturing the same
01/13/1998US5707494 Papermaking
01/13/1998US5707493 Improved filler retention and water removal
01/13/1998US5707439 Layered minerals and compositions comprising the same
01/08/1998DE19628530A1 High purity mullite used as a catalyst carrier
01/07/1998EP0816291A1 Microporous crystalline material, a process for its preparation and its use in detergent compositions
01/07/1998EP0815851A2 Method of reducing irritativeness of surface active agents and aqueous compositions with reduced irritativeness
01/07/1998EP0815061A1 Method and device for melting recycled silicate starting materials
01/06/1998US5705535 Method for the subcritical drying of aerogels
01/06/1998US5705137 Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures
01/06/1998US5704983 Methods and apparatus for depositing barrier coatings
01/02/1998DE19726278A1 Tonverbundmaterial und Verfahren zu dessen Herstellung Tonverbundmaterial and process for its preparation
12/1997
12/31/1997CN1168932A Draft-roller for fibers and prepn. thereof
12/30/1997CA2136628C Method for aiding microbial degradation of spilled oil
12/29/1997EP0814057A1 A boric oxide-silicon dioxide mixed oxide
12/29/1997EP0813499A1 Method for producing crystalline, inorganic ion exchange material
12/29/1997EP0720587B1 A method for manufacturing spherical silica from olivine
12/29/1997EP0674605B1 Improvements in the production of biogenetic silica from organic plant matter