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