| Patents for C01B 33 - Silicon; Compounds thereof (28,579) |
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| 04/12/2011 | US7922990 reacting silicon compound such as trichlorosilane or tetreamethylsilane with hydrogen in a fluidized bed reactor, and the reactor wall is maintained at the same or a higher temperature than the reaction zone, such that the deposition of silicon on reactor internals is minimized |
| 04/12/2011 | US7922989 Method for making silicon for solar cells and other applications |
| 04/12/2011 | US7922876 recovering etching acid mixture by progressively distillation to remove hexafluorosilicic acid and water; reuse, efficiency |
| 04/12/2011 | CA2431907C Low solvent sol-gel systems |
| 04/07/2011 | WO2011040269A1 Method for preventing metal contamination of polysilicon |
| 04/07/2011 | WO2011040214A1 Method for reusing hydrogen |
| 04/07/2011 | WO2011040190A1 Method for producing fumed silica |
| 04/07/2011 | WO2011038991A1 Novel matting agent for uv varnishes |
| 04/07/2011 | WO2011038977A1 Method for producing higher hydridosilane |
| 04/07/2011 | US20110081416 Ordered mesoporous silica material |
| 04/07/2011 | US20110081289 Method for regenerating silicon from silicon waste and silicon manufactured using the same |
| 04/07/2011 | US20110081284 Treatment of bauxite residue and spent pot lining |
| 04/07/2011 | US20110078920 Sweat-absorbing shoe sole inserts having improved sweat absorption |
| 04/07/2011 | DE102009048087A1 Verfahren zur Herstellung höherer Hydridosilane A process for preparing higher hydridosilanes |
| 04/06/2011 | EP2305747A1 Polymeric matrix nanocomposite materials having improved mechanical and barrier properties and procedure for preparing same |
| 04/06/2011 | EP2305603A1 Soluble glass solutions containing aluminium |
| 04/06/2011 | EP2305602A1 Rod-type polysilicon having improved breaking properties |
| 04/06/2011 | EP2303777A1 Novel precipitated silicic acids for support applications |
| 04/06/2011 | EP2303776A1 Method for purification and compaction of feedstock for photovoltaic applications |
| 04/06/2011 | EP2303448A2 Fluidized bed reactor systems and methods for reducing the deposition of silicon on reactor walls |
| 04/06/2011 | EP2178794B1 Process for purifying polycrystalline silicon |
| 04/06/2011 | EP1485956B1 Process of producing multicrystalline silicon substrate and solar cell |
| 04/06/2011 | CN201785202U Synthetic furnace for synthetizing and filtering trichlorosilane and recycling silica power |
| 04/06/2011 | CN201785201U Classifier for quartz sand recycled material purification treatment |
| 04/06/2011 | CN201785200U Polysilicon reduction furnace feeding nozzle |
| 04/06/2011 | CN201785199U Circuit of polycrystalline silicon hydrogen reduction furnace |
| 04/06/2011 | CN201785198U 30-pair-rod polysilicon reduction furnace |
| 04/06/2011 | CN201785197U 24-pair polycrystalline silicon rod reduction furnace |
| 04/06/2011 | CN102002274A Silica |
| 04/06/2011 | CN102001686A Process for producing potassium fluoride and white carbon black by decomposing potassium feldspar with fluorine-containing acid at low temperature |
| 04/06/2011 | CN102001672A Method for calcining and whitening feldspar micropowder |
| 04/06/2011 | CN102001671A Method for preparing white carbon black by using silicon tetrachloride |
| 04/06/2011 | CN102001670A Method for producing silicon dioxide by using gas phase process |
| 04/06/2011 | CN102001669A Process for synthesizing trichlorosilane |
| 04/06/2011 | CN102001668A Silicon tetrachloride hydrogenation reactor introducing microcirculation distribution structure |
| 04/06/2011 | CN102001667A Trichlorosilane synthesizing device and method |
| 04/06/2011 | CN102001666A Method for producing high-purity silicon tetrafluoride in wet processing of phosphate ore |
| 04/06/2011 | CN102001665A Process for producing potassium fluosilicate by using fluorine-containing acid to decompose potassium feldspar at low temperature |
| 04/06/2011 | CN102001664A Double-chamber duplex vacuum circulation degassing furnace and preparation of solar grade polycrystalline silicon |
| 04/06/2011 | CN102001663A Method for removing impurities on surface of metal silicon |
| 04/06/2011 | CN102001662A Comprehensive utilization method for removing boron, phosphorus and other impurities from industrial silicon |
| 04/06/2011 | CN102001661A Method for slagging, boron removal and purification of metalluragical silicon |
| 04/06/2011 | CN102001660A Polysilicon reducing furnace with multiple gas outlets on chassis |
| 04/06/2011 | CN102001659A Preparation method of chemical silicon with adjustable aluminum content for producing organic silicon raw materials |
| 04/06/2011 | CN101671029B Method for preparing SiO2 aerogel in normal pressure drying condition |
| 04/06/2011 | CN101654249B Production method of polysilicon rod |
| 04/06/2011 | CN101540392B Method for preparing lithium-manganese silicate of cathode material of lithium-ion battery |
| 04/06/2011 | CN101538044B System for separating and purifying trichlorosilane in production process of polysilicon and operation method thereof |
| 04/06/2011 | CN101445245B Method for producing trichlorosilane by using silicon tetrachloride |
| 04/06/2011 | CN101423220B Method for purifying and ingot casting multi-temperature zones silicon material and apparatus thereof |
| 04/06/2011 | CN101348268B Two comprehensive methods of utilization of boron mud, giobertite and talc deposit for preparing magnesia and silicon dioxide |
| 04/05/2011 | US7919535 Silica-based sols |
| 04/05/2011 | US7919145 Silica films and method of production thereof |
| 04/05/2011 | US7918933 Dispersion of high surface area silica |
| 04/05/2011 | US7918916 Calcium-silicate based slag for treatment of molten steel |
| 03/31/2011 | WO2011037523A1 Biocidal colloidal dispersions of silica particles with silver ions adsorbed thereon |
| 03/31/2011 | WO2011037473A1 Method for producing high purity silicon |
| 03/31/2011 | WO2011037332A2 Novel organic-inorganic silica particles, preparation method thereof, and hard coating composition containing same |
| 03/31/2011 | WO2011037162A1 Silicon alloy for use in materials for lithium secondary battery negative electrodes |
| 03/31/2011 | WO2011036898A1 Process for production of silicon tetrachloride |
| 03/31/2011 | WO2011036897A1 Method for manufacturing silicon tetrachloride and method for manufacturing silicon for use in a solar cell |
| 03/31/2011 | WO2011036389A1 Production of silanes by grinding silica grains mixed with a metal such as mg or al in a hydrogen atmosphere |
| 03/31/2011 | WO2011036368A1 Production of silanes by grinding silicon alloy grains in a hydrogen atmosphere |
| 03/31/2011 | WO2011036367A1 Production of silanes by grinding silicon grains mixed with a metal such as mg, al, ca, zn in a hydrogen atmosphere |
| 03/31/2011 | WO2011036366A1 Production of silanes by grinding silicon grains in a hydrogen atmosphere |
| 03/31/2011 | WO2011036199A1 Preparation of mesoporous and macroporous silica gel |
| 03/31/2011 | WO2011036031A1 An antimicrobial particle and a process for preparing the same |
| 03/31/2011 | WO2011036029A1 A particulate fluorescer and a process for preparing the same |
| 03/31/2011 | WO2011016996A3 Method for recycling abrasive slurry |
| 03/31/2011 | WO2010121066A3 Silica nanoparticles incorporating chemiluminescent and absorbing active molecules |
| 03/31/2011 | WO2010121064A3 Improved fluorescent silica nanoparticles through silica densification |
| 03/31/2011 | WO2010080918A3 Solidification of molten material over moving bed of divided solid material |
| 03/31/2011 | US20110076221 Method of recycling silicon component for plasma etching apparatus and silicon component for plasma etching apparatus |
| 03/31/2011 | US20110076220 Production of silanes by acid hydrolysis of alloys of silicon and of alkaline-earth metals or alkaline-earth metal silicides |
| 03/31/2011 | US20110074013 Film forming method of silicon oxide film, silicon oxide film, semiconductor device, and manufacturing method of semiconductor device |
| 03/31/2011 | DE102009044991A1 Stabförmiges Polysilicium mit verbesserter Brucheigenschaft Rod-shaped polysilicon with improved fracture property |
| 03/31/2011 | CA2773852A1 Preparation of mesoporous and macroporous silica gel |
| 03/31/2011 | CA2772849A1 An antimicrobial particle and a process for preparing the same |
| 03/31/2011 | CA2744802A1 Method for producing high purity silicon |
| 03/30/2011 | EP2300369A1 Silica-based sols |
| 03/30/2011 | EP2300368A2 Silicon containing halogenide, method for producing the same, and use of the same |
| 03/30/2011 | EP2300155A1 Removal of impurities from hydrogen-containing materials |
| 03/30/2011 | EP2181068B1 Method for purifying polycrystalline silicon |
| 03/30/2011 | EP1539644B1 Silicon dioxide dispersion |
| 03/30/2011 | CN101993087A Method for preparing water glass by using fly ash |
| 03/30/2011 | CN101993086A Preparation method of mono-disperse silicon dioxide micro-spheres |
| 03/30/2011 | CN101993085A Method for producing white carbon black for toothpaste from fly ash |
| 03/30/2011 | CN101993084A Method for preparing silicon dioxide and aluminum oxide from coal ash |
| 03/30/2011 | CN101993083A Liquid phase synthesis method of silica |
| 03/30/2011 | CN101993082A Process technology for preparing high purity silicon tetrafluoride by continuous rectification |
| 03/30/2011 | CN101993081A Black silicon passivation method |
| 03/30/2011 | CN101993080A Polysilicon reducing furnace |
| 03/30/2011 | CN101993079A Horizontal furnace tube and method for producing in-situ doped polysilicon |
| 03/30/2011 | CN101549871B Preparation method of nanometer silica hollow microspheres |
| 03/30/2011 | CN101525136B Method for purifying silicon |
| 03/30/2011 | CN101503194B Preparation of active high purity silica flour |
| 03/30/2011 | CN101475180B Purification method of ultra-pure silicon dioxide sol |
| 03/30/2011 | CN101367526B Preparation method for Ce3<+> doping lutetium silicate polycrystal luminescent powder |
| 03/30/2011 | CN101312908B Apparatus for manufacturing nanoporous silica and method thereof |
| 03/30/2011 | CN101264890B Method for preparing Mg2Si powder by semi-solid-state reaction |