| Patents for C01B 33 - Silicon; Compounds thereof (28,579) |
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| 03/28/2000 | CA2194058C Amorphous microporous oxidic solids, process for producing them and their use |
| 03/23/2000 | WO2000015552A1 Moniliform silica sol, process for producing the same, and ink-jet recording medium |
| 03/23/2000 | WO2000015551A1 Inorganic oxides with mesoporosity or combined meso-and microporosity and process for the preparation thereof |
| 03/23/2000 | WO1999052821A3 Method for purifying alkali metal silicate solutions |
| 03/23/2000 | DE19841142A1 Kieselsäuren und Metallsilikate mit regelmäßiger Mesoporenstruktur Silicic acids and metal silicates with regular mesopore structure |
| 03/22/2000 | EP0987220A1 Mesoporous amorphous silicate materials and process for the preparation thereof |
| 03/22/2000 | EP0987219A1 Ultrafine particle silicon dioxide and process for producing the same |
| 03/22/2000 | CN2369992Y Device for producing lead silicate |
| 03/22/2000 | CN1248229A Inorganic polymeric material with tantalic acid anhydride base, in particular with high refractive index, mechanically abrasionproof, method of manufacture, optical materials comprising such material |
| 03/22/2000 | CN1248226A Hydrophobic silica gels with reduced surface area |
| 03/22/2000 | CN1248225A Hydrophobic organosilicate-modified silica gels |
| 03/22/2000 | CN1248224A Method for making hydrophobic silica gels under neutral conditions |
| 03/22/2000 | CN1248223A Method for making hydrophobic organosilicate-modified silica gels under neutral conditions |
| 03/22/2000 | CN1248222A Neutral-aged hydrophobic organosilicate-modified silica gels |
| 03/22/2000 | CN1248221A Process for making hydrophobic silica gels with reduced surface area under neutral conditions |
| 03/22/2000 | CN1248220A Neutral-aged hydrophobic silica gels with reduced surface area |
| 03/21/2000 | US6040375 Composite foams, processes for their preparation and their use |
| 03/21/2000 | US6039929 Synthesis of monoclinic celsian |
| 03/16/2000 | WO2000014013A1 Process for preparing silica or silica-based thick vitreous films according to the sol-gel technique and thick films thereby obtained |
| 03/15/2000 | EP0985636A1 Silicas and metallosilicates having a regular mesoporous structure |
| 03/15/2000 | EP0984829A1 Method for producing substantially globular lyogels and aerogels |
| 03/15/2000 | EP0984828A1 Method for producing substantially globular lyogels and aerogels |
| 03/15/2000 | EP0984772A1 Composition comprising a liquid absorbed on a support based on precipitate silica |
| 03/15/2000 | EP0759888B1 Process for the preparation of layered double hydroxides. |
| 03/14/2000 | US6036932 Method for purification of silicon |
| 03/14/2000 | US6036733 Process for the preparation of crystalline sodium silicates |
| 03/14/2000 | CA2006542C Catalytic reaction using zeolite nu-87 |
| 03/09/2000 | WO2000013221A1 Process for optimizing mechanical strength of nanoporous silica |
| 03/09/2000 | WO1999061244A8 Silicon oxide particles |
| 03/09/2000 | DE19839024A1 Windsichten für Polysilicium Winnowing polysilicon |
| 03/08/2000 | EP0983969A2 Method for removing metal contaminants from solution using mercapto-functional silica xerogels |
| 03/08/2000 | EP0983966A1 Precipitated silica |
| 03/08/2000 | EP0983317A1 Process for hydrophobicizing particles, and their use as fillers in polymer masterbatches |
| 03/08/2000 | EP0950020A4 Removal of silica from bauxite |
| 03/07/2000 | US6034163 Ion exchanged clay and expansion agent |
| 03/07/2000 | US6033642 Reacting uranium oxyfluoride and the silicon dioxide to produce non-radioactive silicon tetrafluoride and an oxide of uranium |
| 03/07/2000 | US6033466 Pigment and pigment ink by applying the pigment |
| 03/02/2000 | WO2000010955A1 Method for making acrolein from propylene by redox reaction |
| 03/02/2000 | WO2000010916A1 Mesoporous silicates and method of making same |
| 03/02/2000 | WO1999037705A9 Block polymer processing for mesostructured inorganic oxide materials |
| 03/02/2000 | CA2351632A1 Method for making acrolein from propylene by redox reaction |
| 03/01/2000 | EP0982268A1 Method for making hydrophobic non-aggregated colloidal silica |
| 03/01/2000 | EP0982081A1 Pneumatic classification for polysilicon |
| 03/01/2000 | EP0981496A1 Method for making single or mixed metal oxides or silicon oxide |
| 03/01/2000 | CN1049877C Flocculant for water treatment and method for producing it |
| 03/01/2000 | CN1049876C Method for preparing active rice hulls |
| 03/01/2000 | CN1049844C Process for preparation of molecular sieve membrane on porous silicate material surface |
| 02/29/2000 | US6031694 Magnetic head with protective film comprising amorphous CaMgSi2 b. O.su6, Mg2 SiO4 and/or MgAl2 O4 |
| 02/29/2000 | US6030660 Method of steam stripping an inorganic powder |
| 02/29/2000 | US6030627 Antimicrobial cosmetic pigment, its production process, and a cosmetic containing it |
| 02/29/2000 | US6030595 Process for the production of synthetic diamond |
| 02/24/2000 | WO2000009444A1 An improved method for manufacturing crystalline layered sodium disilicate |
| 02/24/2000 | WO2000009256A1 Method for manufacturing a sorbent, a sorbent obtained with such method, and a method for cleaning a stream of hot gas |
| 02/23/2000 | EP0931018A4 Method of inhibiting gelling of siloxane feedstocks and a gel inhibited feedstock |
| 02/23/2000 | CN1049619C External release agent |
| 02/22/2000 | US6027705 Method for producing a higher silane |
| 02/22/2000 | US6027702 An inorganic polymeric layer containing aluminum hydroxide, an hydroxide selected from titanium, zirconium and tin and silicon hydroxide |
| 02/22/2000 | US6027669 Polishing composition |
| 02/22/2000 | US6027560 Method for producing crystalline, inorganic ion exchange material |
| 02/22/2000 | CA2020580C Synthetic, crystalline aluminosilicate, method for its preparation as well as its use |
| 02/22/2000 | CA2009038C Improved process for hydrothermal production of potassium silicate solutions |
| 02/17/2000 | WO2000007722A1 Delaminated microporous solid |
| 02/17/2000 | DE19834265A1 Verfahren zur Herstellung von Aerogelen und Anlage zur Herstellung von Aerogelschichten auf Substraten oder aus Aerogelen bestehenden Produkten A process for the preparation of aerogels and plant for the production of airgel on substrates or of aerogels existing products |
| 02/16/2000 | CN1244516A Preparation of composite nanometer titania-silica material |
| 02/16/2000 | CN1244496A Calcining and converting reaction process of preparing white carbon with clay mineral |
| 02/16/2000 | CN1049404C Method for prepn. of white carbon black by basic decomposing zircon |
| 02/15/2000 | US6025455 Process of producing hydrophobic organosilica sol |
| 02/10/2000 | WO2000006491A1 Method and device for producing aerogels |
| 02/10/2000 | WO2000006490A1 Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking |
| 02/10/2000 | DE19835498A1 Production of intensively colored lapis lazuli for direct use as pigment involves multistage flotation, using long-chain amine as collector and neutral to alkaline conditions for removing mica and recovering and purifying lapis lazuli |
| 02/09/2000 | EP0978146A1 Columnar-grained polycrystalline solar cell substrate and improved method of manufacture |
| 02/09/2000 | EP0977709A1 Improved silica product for use in elastomers |
| 02/09/2000 | CN1243805A Process for production of activated argil |
| 02/09/2000 | CN1049195C Stabilized orthosilicic acid comprising preparation and biolongical preparation |
| 02/08/2000 | US6022821 Modified kaolins |
| 02/08/2000 | US6022814 Coating a polysiloxane/silsesquioxane on the substrate; heating to a temperature ranging from 250.degree. c. to the glass transition point of the polymer; dielectric film of low density and a large free volume; heat resistance |
| 02/08/2000 | US6022404 Surface-modified, pyrogenically produced mixed oxides, method of their production and use |
| 02/03/2000 | DE19900156A1 Highly pure amorphous silicic acid preparing method |
| 02/03/2000 | DE19834236A1 Carbonyleisensilizid-Pulver Carbonyleisensilizid powder |
| 02/02/2000 | EP0976756A2 Method for selecting silicon metalloid in the direct process for making organohalosilanes |
| 02/02/2000 | EP0976681A2 Novel fine particulate synthetic chalcoalumite compounds, process for their production, and heat insulator and agricultural film containing the fine particulate synthetic chalcoalumite compounds |
| 02/02/2000 | EP0976680A1 Carbonyl iron silicide powder |
| 02/02/2000 | EP0975548A1 Process for producing nanoporous dielectric films at high ph |
| 02/02/2000 | CN2361617Y Device for refining industrial silicon using oxygen |
| 02/02/2000 | CN1243099A Active polysilicate flocculating agent and preparation method thereof |
| 02/02/2000 | CN1048957C Process for preparing amorphous, catalytically active silico-aluminas |
| 02/02/2000 | CN1048956C Method for preparing secondary crystallization superfine white carbon black |
| 02/01/2000 | US6019667 Using grinding aid |
| 02/01/2000 | CA2129949C Thixotropic organoclay additive for highly viscous systems |
| 01/27/2000 | WO2000003950A1 Optical devices |
| 01/27/2000 | DE19933390A1 Treatment of silica granulate used for production and replenishment of preliminary moldings in optical fiber production involves use of a crucible made of porous graphite |
| 01/27/2000 | CA2278846A1 Novel fine particulate synthetic chalcoalumite compounds, process for their production and heat insulator and agricultural film containing the fine particulate synthetic chalcoalumite compounds |
| 01/26/2000 | EP0974560A1 Antireflection glass plate, process for producing the same, and antireflection coating composition |
| 01/26/2000 | EP0974557A1 Method for forming article using sol-gel processing |
| 01/26/2000 | EP0973691A1 Process for producing metal oxide and organo-metal oxide compositions |
| 01/26/2000 | EP0973604A1 Process for producing low density gel compositions |
| 01/26/2000 | EP0691934B1 Powdery product comprising finely divided alkali silicate and process for producing the same |
| 01/26/2000 | CN1242756A Removal of silica from bauxite |
| 01/26/2000 | CN1048696C Xero-gel prepn. and application of same |
| 01/26/2000 | CN1048695C Method for producing silicon dioxide powder for electronic industry |