| Patents for C01B 33 - Silicon; Compounds thereof (28,579) |
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| 05/11/2011 | CN101172610B Method of producing high-temperature silica powder |
| 05/11/2011 | CN101139094B Method for preparing high reinforcing white carbon black and high concentration ammonium fluoride through ammoniation of fluosilicic acid |
| 05/10/2011 | US7939173 Polycrystalline silicon rod for zone reflecting and a process for the production thereof |
| 05/10/2011 | US7939040 Composition based on cerium oxide and on zirconium oxide having a high reducibility and high specific surface, methods for the preparation thereof and use as a catalyst |
| 05/10/2011 | CA2618067C Hollow silica particles, compositions comprising them, and methods for making same |
| 05/10/2011 | CA2587222C Process for producing a polycrystalline silicon ingot |
| 05/05/2011 | WO2011052629A1 High-purity silicon production method using rotating crucible device |
| 05/05/2011 | WO2011051334A2 Method for processing saw residue from the production of silicon wafers |
| 05/05/2011 | WO2010069675A3 Low- surface area fumed silicon dioxide powder |
| 05/05/2011 | WO2010062735A3 Method and apparatus for refining metallurgical grade silicon to produce solar grade silicon |
| 05/05/2011 | US20110104036 Method and apparatus for purifying metallurgical grade silicon by directional solidification and for obtaining silicon ingots for photovoltaic use |
| 05/05/2011 | US20110104035 Method for producing polycrystalline silicon |
| 05/05/2011 | US20110104034 Hydride compounds |
| 05/04/2011 | EP2317006A1 Ultrahydrophobic powder, structure with ultrahydrophobic surface, and processes for producing these |
| 05/04/2011 | EP2315720A2 Aqueous dispersions of hydrophobic silicic acids |
| 05/04/2011 | CN201817288U Primary sealing gasket cooling structure for hydrogenation furnace |
| 05/04/2011 | CN102047751A Manufacturing apparatus for depositing a material and an electrode for use therein |
| 05/04/2011 | CN102047750A Manufacturing apparatus for depositing a material and an electrode for use therein |
| 05/04/2011 | CN102047066A Manufacturing apparatus for depositing a material and an electrode for use therein |
| 05/04/2011 | CN102046530A Suspension containing hydronium stabilized colloidal silicic acid nanoparticles, formulation obtained from the said diluted suspension, powder obtained from the said dehydrated suspension, compositions obtained from the said powder, preparation and use |
| 05/04/2011 | CN102046529A Method and system for the production of pure silicon |
| 05/04/2011 | CN102046522A Method for producing core-shell particle, core-shell particle, method for producing hollow particle, paint composition and article |
| 05/04/2011 | CN102042758A Heat exchange system of horse shoe flame kiln |
| 05/04/2011 | CN102041380A Production process for extracting lithium from ore with low-temperature method |
| 05/04/2011 | CN102040250A Method for comprehensively utilizing chlor-alkali salt sludge |
| 05/04/2011 | CN102040226A Silicic acid gel |
| 05/04/2011 | CN102040225A Process for preparing precipitated white carbon black by adopting carbon dioxide for decomposition |
| 05/04/2011 | CN102040224A Hydrophobic core-shell silica particle, hollow silica particle, and manufacturing methods thereof |
| 05/04/2011 | CN102040223A Method for producing trichlorosilane by continuously adding silicon powder |
| 05/04/2011 | CN102040222A Method for separating silicon material from heavily doped silicon material |
| 05/04/2011 | CN102040221A Method for purifying metal silicon |
| 05/04/2011 | CN102040220A Manufacturing method of solar-grade polycrystalline silicon |
| 05/04/2011 | CN102040219A Method for preparing high-purity silicon by purifying industrial silicon |
| 05/04/2011 | CN102040192A Method for preparing sequentially arranged bent silicon nano-wire array |
| 05/04/2011 | CN101704526B Method for producing white carbon black and active carbon by using residual rice hull ash after gasification |
| 05/04/2011 | CN101597067B Preparation method of diallyl containing quaternary ammonium salt modified montmorillonoid |
| 05/04/2011 | CN101585536B Device and method for purifying solar energy level polysilicon |
| 05/04/2011 | CN101555017B Multi-grade comprehensive utilization technology of fluoride-contained waste acid in phosphating industry |
| 05/04/2011 | CN101545134B Method and device for preparing high-purity single crystal silicon bar by utilizing silicon material containing impurities |
| 05/04/2011 | CN101475175B Method for preparing trichlorosilane by plasma hydrogenization of silicon tetrachloride |
| 05/04/2011 | CN101376502B Preparation of particle activated clay |
| 05/04/2011 | CN101376499B Method for preparing polysilicon |
| 05/04/2011 | CN101357764B Polysilicon preparation method of recovering hydrogen chloride in circulating exhaust |
| 05/04/2011 | CN101348258B Preparation of superfine nano-kaoline |
| 05/04/2011 | CN101254923B Method for preparing high-purity ground quartz |
| 05/04/2011 | CN101233432B Light diffusion member |
| 05/04/2011 | CN101193820B Method for production of silicon from silyl halides |
| 05/04/2011 | CN101177272B Method for deeply removing aluminium from industrial high-silica sand |
| 05/03/2011 | US7935327 Feeding the vent gas from the Siemens reactor as a feed gas to the fluidized bed reactor; vent gases are hydrogen, silanes, chlorosilanes; improve efficiency of polycrystalline silicon production and reduce by-products |
| 05/03/2011 | US7935326 Method for purification of silica particles, purifier, and purified silica particles |
| 04/28/2011 | WO2011049121A1 Amorphous silica and process for producing same |
| 04/28/2011 | WO2011048931A1 Furnace for melting silicon or silicon alloy |
| 04/28/2011 | WO2011048797A1 Process for production of silicon powder, multi-crystal-type solar cell panel, and process for production of the solar cell panel |
| 04/28/2011 | WO2011048756A1 Negative electrode active material for lithium ion secondary battery |
| 04/28/2011 | WO2011008492A3 Silica-based particle composition |
| 04/28/2011 | US20110097256 Method for preparing high-purity metallurgical-grade silicon |
| 04/28/2011 | US20110097255 Method for Controlling the Shape of Talc Particles |
| 04/28/2011 | US20110095446 Silicon-based green bodies |
| 04/28/2011 | US20110094418 Chemically assisted milling of silicas |
| 04/27/2011 | EP2141205B1 Process for producing metal oxide particle coated with hydrophobized silicon oxide |
| 04/27/2011 | CN201809445U Fused salt electrolyzing device for reducing SiO2 into Si |
| 04/27/2011 | CN201809180U Attapulgite soaking device |
| 04/27/2011 | CN201809179U Attapulgite activation furnace |
| 04/27/2011 | CN201809178U Silica powder drying machine |
| 04/27/2011 | CN201809177U Rectifying equipment for purifying trichlorosilane |
| 04/27/2011 | CN201809176U Magnesium silicide spiral cooling device |
| 04/27/2011 | CN201809175U Feeding fluidic device of horizontal polycrystalline silicon reduction furnace |
| 04/27/2011 | CN201809174U Nozzle adjustable structure of reduction furnace |
| 04/27/2011 | CN201809173U Silicon briquette falling preventing device for reducing furnace |
| 04/27/2011 | CN201807289U Guiding device for recovered trichlorosilane tail gas |
| 04/27/2011 | CN201807210U Trichlorosilane tail gas compression device |
| 04/27/2011 | CN102036913A Production of silanes by acid hydrolysis of alloys of silicon and of alkaline-earth metals or alkaline-earth metal silicides |
| 04/27/2011 | CN102036752A Method of producing stable oxygen terminated semiconducting nanoparticles |
| 04/27/2011 | CN102036747A Process for producing colloidal crystal and colloidal crystal |
| 04/27/2011 | CN102030338A Method for hydrothermally synthesizing kalsilite by using potassium feldspar powder |
| 04/27/2011 | CN102030337A Method for preparing silicon dioxide (SiO2) aerogel with continuous density gradient |
| 04/27/2011 | CN102030336A Method for purifying high-purity trichlorosilane |
| 04/27/2011 | CN102030335A Method and device for removing boron impurity in chlorosilane system by rectification through double-tower thermocouple reaction |
| 04/27/2011 | CN102030334A Method for dedusting synthetic gas generated in production of trichlorosilane |
| 04/27/2011 | CN102030333A Method for industrially preparing silane |
| 04/27/2011 | CN102030332A Application of byproducts in preparation of silane through magnesium silicide process |
| 04/27/2011 | CN102030331A Rod-type polysilicon having improved breaking properties |
| 04/27/2011 | CN102030330A Polysilicon reduction furnace with outlet gas collector |
| 04/27/2011 | CN102030329A Polycrystalline silicon producing device and process |
| 04/27/2011 | CN102030328A Method for preparing Si nanowires through pulsed laser ablation |
| 04/27/2011 | CN102030327A Method for preparing silicon nano-wire by pulsed laser ablation |
| 04/27/2011 | CN102029195A Pretreatment method for disproportionating silane catalyst |
| 04/27/2011 | CN101618874B Method for producing trichlorosilane by coldly hydrogenating silicon tetrachloride |
| 04/27/2011 | CN101521275B Method for preparing nickel lithium silicate as positive pole material of secondary lithium-ion battery |
| 04/27/2011 | CN101423217B Method for preparing silica mesopore material |
| 04/27/2011 | CN101386410B Method for softening metallic silicon smelting-furnace slag |
| 04/27/2011 | CN101385935B Water-cooling dust-separating method of metallic silicon smelting furnace |
| 04/27/2011 | CN101236816B Making method for magnetic kernel medium hole hollow ball |
| 04/26/2011 | US7932295 Organic silica-based film, method of forming the same, composition for forming insulating film for semiconductor device, interconnect structure, and semiconductor device |
| 04/26/2011 | US7932203 Method for producing an oil-binding agent and oil-binding agent produced according to the method |
| 04/26/2011 | US7931883 Metallurgical grade silicon produced in an electric arc furnace by carbothermal reduction contains <300 ppma boron and >100 ppma phosphorus; refinining by treating with calcium-silicate slag to remove boron 0.2-100 ppma; solidification, acid leaching, melting, directional solidification to an ingot |
| 04/26/2011 | CA2457769C Method of preparing silicas, silicas with specific pore-size and/or particle-size distribution and the use thereof, in particular for reinforcing polymers |
| 04/21/2011 | WO2011046122A1 Bead-like hollow particles, method for producing same, and friction material using the bead-like hollow particles |
| 04/21/2011 | WO2011045888A1 Silica powder, silica container, and method for producing the silica powder and container |
| 04/21/2011 | WO2011045881A1 Core wire holder for producing polycrystalline silicon and method for producing polycrystalline silicon |