| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 556472000 | Elemental silicon, silicon-containing alloy or metal silicide reactant | 11 |
| 20080262258 | Container For Forming Self-Baking Electrodes - A container for forming an electrode that can be used in electric reduction furnaces. The container comprises a cylindrical casing. Within the cylindrical casing is a plurality of ribs attached along the inner surface of the casing lengthwise of the cylindrical casing. At least one of the ribs in the container is made of a material comprising copper. | 10-23-2008 |
| 20110257422 | Process For Producing Organohalohydrosilanes - The invention pertains to a method of producing organohalohydrosilanes by treating a silicon metal with a halogen-containing compound, wherein the halogen-containing compound has a formula selected from R | 10-20-2011 |
| 20120197034 | Method Of Making Organohalosilanes - The invention pertains to a process for the preparation of organohalosilanes. The process comprises contacting a first finely-divided silicon comprising from 0.08 to 0.25% (w/w) of aluminum with an organohalide in a reactor at a temperature of from 250 to 350° C. in the presence of a Direct Process catalyst comprising copper, and a promotor; and introducing a second finely-divided silicon into the reactor comprising from 0.001 to <0.10% (w/w) of aluminum into the reactor as needed in an amount sufficient to maintain an aluminum concentration of from 0.08 to 0.2% (w/w), based on a weight of unreacted silicon and aluminum. | 08-02-2012 |
| 20130204029 | SILICON DIOXIDE POWDER HAVING SPECIAL SURFACE PROPERTIES AND TONER COMPOSITION CONTAINING SAID POWDER - The invention relates to silicon dioxide powder which is present in the form of aggregated primary particles having an average diameter of at least 40 nm and a ratio of the BET surface area to the STSA surface area of at least 3.5. The invention also relates to a toner composition containing said silicon dioxide powder. | 08-08-2013 |
| 20140350279 | METHOD FOR PREPARING METHYLCHLOROSILANES - The invention relates to a method for the direct synthesis of methylchlorosilanes by reacting chloromethane with a contact mass containing silicon, copper catalyst and at least 120 ppm by weight of manganese. | 11-27-2014 |
| 20140364639 | METHOD FOR PREPARING TRIALKOXYSILANE - The present invention relates to a method for preparing SiH(OR | 12-11-2014 |
| 20150011789 | Process for the Preparation of Palladium Intermetallic Compounds and Use of the Compounds to Prepare Organohalosilanes - Palladium intermetallic compounds, such as palladium silicides, e.g., PdSi and/or Pd | 01-08-2015 |
| 20150065740 | SLURRY PHASE DIRECT SYNTHESIS OF ORGANOHALOSILANES FROM CYCLONE FINES - The present invention is directed to a process for the synthesis of organohalosilane monomers, comprising the steps of (1) forming a slurry of cyclone fines, ultra fines and/or spent contact mass in a thermally stable solvent and reacting the agitated slurry with an organohalide of the formula R | 03-05-2015 |
| 556473000 | Halogen, hydrogen halide, or a silicon halide utilized | 3 |
| 20100160664 | PROCESS FOR THE DIRECT SYNTHESIS OF ALKYLHALOSILANES - Process for preparing alkylhalosilanes are provided. The process involve reacting an alkyl halide with a solid body formed of silicon and a catalytic system. | 06-24-2010 |
| 20140256975 | Method for Preparing a Diorganodihalosilane - A method of preparing a diorganodihalosilane comprising the separate and consecutive steps of (i) contacting a copper catalyst with a mixture comprising hydrogen gas and a silicon tetrahalide at a temperature of from 500 to 1400° C. to form a silicon-containing copper catalyst comprising at least 0.1% (w/w) of silicon, wherein the copper catalyst is selected from copper and a mixture comprising copper and at least one element selected from gold, magnesium, calcium, cesium, tin, and sulfur; and (ii) contacting the silicon-containing copper catalyst with an organohalide at a temperature of from 100 to 600° C. to form at least one diorganodihalosilane. | 09-11-2014 |
| 20140364640 | METHOD FOR THE DIRECT SYNTHESIS OF ALKYLHALOGENOSILANES - An improved industrial method for the direct synthesis of alkylhalogenosilanes is described. Specifically, a method is described for preparing alkylhalogenosilanes by reacting, in a fluidizedbed reactor, and alkyl halogenide, preferably CH3Cl, with a solid body, which is referred to as a contact body and which includes powdered silicon and a catalytic system including at least one copper catalyst and β1 and β2 promoter activities. | 12-11-2014 |
