| Patents for C01B 33 - Silicon; Compounds thereof (28,579) |
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| 06/13/1990 | EP0372715A1 Polymeric basic aluminum silicate-sulphate |
| 06/13/1990 | EP0372251A1 Method for the preparation of silicas |
| 06/13/1990 | EP0372133A1 Large-pored crystalline titanium molecular sieve zeolites |
| 06/13/1990 | EP0372132A1 Small-pored crystalline titanium molecular sieve zeolites |
| 06/13/1990 | EP0372124A1 A method for the preparation of a silica sol dispersed in an organic solvent |
| 06/13/1990 | DE3841222A1 Process for the parallel generation of silicon tetrafluoride and sulphur hexafluoride |
| 06/13/1990 | DE3841218A1 Process for preparing highly pure silicon tetrafluoride |
| 06/12/1990 | US4933404 Processes for microemulsion polymerization employing novel microemulsion systems |
| 06/12/1990 | CA2005054A1 Granulated silicates with improved dissolution rate |
| 06/06/1990 | EP0114876B1 Ultra-pure epitaxial silicon and process for its manufacture |
| 06/05/1990 | CA1270001A1 Oligomerization of olefins |
| 06/05/1990 | CA1269804A1 Method for the production of a moulding mass containing water glass |
| 05/30/1990 | CN1042554A Stable aqueous suspension of precipitated silicon dioxide |
| 05/29/1990 | US4929644 Thickened organic composition having biocidal activity and an additive for thickening and imparting biocidal activity to an organic composition |
| 05/29/1990 | US4929587 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide by treatment with polymeric chalcogenide precursor in inert atmosphere |
| 05/29/1990 | US4929431 Process for producing amorphous aluminosilicates |
| 05/23/1990 | EP0368973A1 Air-gap interference pigments, manufacture and use thereof |
| 05/23/1990 | EP0368919A1 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry |
| 05/23/1990 | DE3937394A1 Pptd. silica prodn. by hydrolysis of silicon tetra:chloride - by dropwise addn. of water or silicon tetra:chloride to other reactant which is mixed or dissolved in organic solvent |
| 05/23/1990 | CN1042340A Polymeric basic aluminium silicate-sulphate |
| 05/23/1990 | CN1008081B Process for preparing spherical sio2 particles |
| 05/22/1990 | US4927616 Preparation of silane and amine alanes |
| 05/22/1990 | US4927560 Gelation, drying |
| 05/22/1990 | CA1269216A1 Transparent non-vitreous ceramic particulate |
| 05/17/1990 | WO1990005113A1 Precipitated silicon dioxide abrasive compositions having superior compatibility with anti-plaque and therapeutic fluoride agents for dentifrice applications; dentifrice thereof; and method of making the same |
| 05/16/1990 | EP0368722A1 Stable aqueous suspension of precipitated silica |
| 05/16/1990 | CN1042132A Precipitated silica absorbent, and compositions based on silica |
| 05/16/1990 | CN1007985B Resin compositions comprising organoclays of improved despersibility |
| 05/15/1990 | US4925704 Decompositionof metal alkoxide, particle growth in alkaline conditions |
| 05/09/1990 | CA2002532A1 Precipitated silicon dioxide abrasive compositions having superior compatibility with anti-plaque and therapeutic fluoride agents for dentifrice applications; dentifrice thereof; and method for making the same |
| 05/08/1990 | US4923950 Compositions based on derivatives of silica modified by organic groups, preparation and application thereof, particularly as cationic conductors |
| 05/08/1990 | US4923520 Spherical fused silica and its use in fillers and resin compositions |
| 05/02/1990 | EP0366197A1 Method of manufacturing a monolithic silica aerogel |
| 05/02/1990 | CN1041740A Process for producing magnesium carbonate and/or magnesium oxide as well as porous silicon dioxide from serpentine |
| 05/02/1990 | CN1041739A Bleaching technology for removing iron by kaolin |
| 05/01/1990 | US4921531 Process for forming fine ceramic powders |
| 05/01/1990 | US4921026 High purity |
| 04/25/1990 | CN1041554A Process for making compositions of powdery refractory inorganic compounds and metals |
| 04/25/1990 | CN1041541A Catalysts |
| 04/24/1990 | US4920086 Mixed pillared clay reduction products and method of preparation |
| 04/24/1990 | US4919913 Reacting finely dispersed aluminum melt with gaseous silicon halide |
| 04/24/1990 | US4919908 Crystalline aluminosilicate and a method for its preparation |
| 04/19/1990 | WO1990003330A3 High solids aqueous silica slurry |
| 04/18/1990 | EP0363927A2 Process for the preparation of a suspension containing spherical oxide particles |
| 04/18/1990 | EP0363926A2 Particulate polycondensates, process for their preparation and use thereof |
| 04/18/1990 | EP0363742A1 Polysilicon with diminished hydrogen content |
| 04/18/1990 | EP0190140B1 Process for the removal of impurities from optical component materials |
| 04/18/1990 | CN1041396A Process for preparing metallic and non-metallic elements by magnesium chloride |
| 04/17/1990 | CA1267876A1 Class of pillared interlayered clay molecular sieve products with regularly interstratified mineral structure |
| 04/11/1990 | EP0363197A2 Preparation of sodium silicate |
| 04/11/1990 | EP0271575B1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis |
| 04/10/1990 | US4916101 Ion exchange, pyrolysis |
| 04/10/1990 | US4915871 Treating with aluminate or zirconyl salt |
| 04/10/1990 | US4915870 Process for the manufacture of potassium stabilized silica sols |
| 04/10/1990 | US4915705 Hydrolysis with aqueous ammonia |
| 04/05/1990 | WO1990003330A2 High solids aqueous silica slurry |
| 04/04/1990 | EP0361386A2 Method for purifying gaseous hydrides |
| 04/03/1990 | US4913966 Slurrying silica platelets, spray drying |
| 04/03/1990 | US4913840 Production of stable anionic sols containing colloidal alumina hydrate |
| 03/28/1990 | EP0360554A1 Catalysts |
| 03/28/1990 | CN1007354B Non. cataltic solid mullite/crystalline silica material and use thereof |
| 03/27/1990 | US4912078 Mixing magnesium and aluminum hydroxide; autoclaving; compression; sintering |
| 03/27/1990 | US4911903 Spherical SIO2 particles |
| 03/27/1990 | US4911902 Mullite whisker preparation |
| 03/21/1990 | EP0359552A2 Polysilicate microgels as retention/drainage aids in papermaking |
| 03/21/1990 | EP0295269B1 Layered metal oxides containing interlayer oxides and their synthesis |
| 03/20/1990 | US4910006 Mixture of oxides of silicon, germanium, aluminum, gallium and iron |
| 03/20/1990 | US4909946 Water soluble polymer of acrylamide and salt of acrylic acid |
| 03/20/1990 | CA1266844A1 Process for hydrotreating residual petroleum oil |
| 03/15/1990 | DE3830777A1 Verfahren zur herstellung von hochreinem siliciumdioxid A process for the production of high purity silica |
| 03/14/1990 | EP0358271A2 Novel crystalline (metallo)silicates and process for preparing such (metallo)silicates |
| 03/13/1990 | US4908339 Flexible glass |
| 03/13/1990 | US4908133 Continuous multistage membrane filtration |
| 03/13/1990 | US4907731 Dynamic high pressure process for fabricating superconducting and permanent magnetic materials |
| 03/08/1990 | DE3829013A1 Thickening apparatus for jelly-like material |
| 03/07/1990 | EP0357395A2 A silicon smelting process and a furnace therefor |
| 03/06/1990 | US4906493 Method of preparing coatings of metal carbides and the like |
| 03/06/1990 | US4906446 Filler for dental materials and dental materials containing the same |
| 03/06/1990 | US4906441 Fluidized bed with heated liners and a method for its use |
| 03/06/1990 | CA1266402A1 Method for producing glass preform for optical fiber |
| 03/06/1990 | CA1266364A1 Method for neutralizing waste sulfuric acid by adding a silicate |
| 02/28/1990 | EP0355593A2 Process for increasing the part of silicium tetrachloride |
| 02/28/1990 | EP0355550A2 Preparation of precipitated silicas and their use |
| 02/28/1990 | EP0355337A1 Process for preparation of solar grade silicon |
| 02/28/1990 | EP0355295A2 Process for the treatment of precipitated silica, and its use in thermal insulation |
| 02/28/1990 | EP0355267A1 Process for the production of zeolite NaA |
| 02/28/1990 | EP0355242A1 Method for making mineral filtration beads to be used in gel adsorption and permeation chromatography |
| 02/27/1990 | US4904460 Catalytic disproportionation of alkoxy silanes; phenolates, phosponium and quaternary ammonium salt catalysts |
| 02/27/1990 | US4904452 Inner core heating in fluidized bed |
| 02/27/1990 | CA1266161A1 Process for producing silanes |
| 02/22/1990 | WO1990001458A1 Removal of coarse particles from aluminosilicate aqueous suspensions by wet grinding |
| 02/21/1990 | CN1039779A Twice-aged porous inorganic oxides, catalysts, and polymerization processes |
| 02/20/1990 | US4902598 Process for the preparation of silica containing charge enhancing additives |
| 02/14/1990 | EP0354473A1 Removing of coarse parts in aqueous aluminosilicate suspensions by wet crushing |
| 02/14/1990 | CN1039568A Method for preparing amorphous superfine sio2 from husk |
| 02/14/1990 | CN1006807B Process for treatment of beer |
| 02/14/1990 | CN1006801B Mixed metal layered hydroxide-clay adducts as thinckeners for water and other hydrophylic fluids |
| 02/13/1990 | US4900582 Method for improving film quality of silica-based films |
| 02/13/1990 | US4900532 Continuous process for refining silicon |
| 02/13/1990 | US4900531 Converting a carbon preform object to a silicon carbide object |