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| Number | Title | Issue Date |
| 8137652 | Sidewall-functionalized carbon nanotubes, and methods for making the same The invention provides a method of functionalizing the sidewalls of a plurality of carbon nanotubes with oxygen moieties, the method comprising: exposing a carbon nanotube dispersion to an ozone/oxygen mixture to form a plurality of ozonized carbon nanotubes; and co... | 03/20/2012 |
| 8114373 | Method of producing nano-scaled graphene and inorganic platelets and their nanocomposites Disclosed is a method of exfoliating a layered material (e.g., graphite and graphite oxide) to produce nano-scaled platelets having a thickness smaller than 100 nm, typically smaller than 10 nm, and often between 0.34 nm and 1.02 nm. The method comprises: (a) subjec... | 02/14/2012 |
| 8084009 | Method for making carbon composite material A method for making a carbon composite material, the method including providing a 1,4-benzenedicarboxylate-metal complex in a vessel, putting the vessel carrying the 1,4-benzenedicarboxylate-metal complex into an environment with a protective gas therein, and heatin... | 12/27/2011 |
| 8066964 | Thermally exfoliated graphite oxide A modified graphite oxide material contains a thermally exfoliated graphite oxide with a surface area of from about 300 m2/g to 2600 m2/g, wherein the thermally exfoliated graphite oxide displays no signature of the original graphite and/or gra... | 11/29/2011 |
| 7892514 | Method of producing nano-scaled graphene and inorganic platelets and their nanocomposites Disclosed is a method of exfoliating a layered material (e.g., graphite and graphite oxide) to produce nano-scaled platelets having a thickness smaller than 100 nm, typically smaller than 10 nm, and often between 0.34 nm and 1.02 nm. The method comprises: (a) subjec... | 02/22/2011 |
| 7829051 | Production and uses of carbon suboxides Methods for the reduction of gaseous carbon dioxide emissions from combustion or oxidation reactions are provided. The various methods involve the formation of carbon suboxides and/or polymerized carbon suboxides (PCS), preferentially over gaseous carbon oxides to t... | 11/09/2010 |
| 7658901 | Thermally exfoliated graphite oxide A modified graphite oxide material contains a thermally exfoliated graphite oxide with a surface area of from about 300 m2/g to 2600 m2/g, wherein the thermally exfoliated graphite oxide displays no signature of the original graphite and/or gra... | 02/09/2010 |
| 7641881 | Fertilizer production from fossil fuel with minimal carbon dioxide emission An ammonia and fertilizer production process is based on partial oxidation of fossil fuel, which co-produces polycarbonsuboxide. The four step process is low-cost and low-carbon-dioxide emission. It comprises the steps of reacting fossil fuel with oxygen in air and ... | 01/05/2010 |
| 7569203 | Production and uses of carbon suboxides Methods for the reduction of gaseous carbon dioxide emissions from combustion or oxidation reactions are provided. The various methods involve the formation of carbon suboxides and/or polymerized carbon suboxides (PCS), preferentially over gaseous carbon oxides to t... | 08/04/2009 |
| 7390475 | Process for producing vapor-grown carbon fibers A process for continuously producing carbon fibers in a vapor phase by causing a carbon compound to contact a catalyst and/or a catalyst precursor compound in a heating zone. In this process, the carbon compound, the catalyst precursor compound and an additional com... | 06/24/2008 |
| 7241433 | Process for the preparation of coated granular sodium percarbonate, and product obtainable by the process The invention relates to a process for the preparation of coated granular sodium percarbonate having a low TAM value. The preparation is carried out by fluidized-bed spray granulation at a temperature TG in the range from 45 to 75° C., and the coating is... | 07/10/2007 |
| 7217378 | Simple and efficient process for the preparation of pencil lead from spent pot-liners The present invention relates to a simple and efficient process for the preparation of pencil lead from the spent or waste pot liners of aluminum industries, said process comprising steps of crushing the liners into small sizes, adding chromic acid to the crushed li... | 05/15/2007 |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7186391 | Sintered compact of lanthanum sulfide or cerium sulfide and method for preparing the same The present invention provides a lanthanum sulfide or cerium sulfide sintered compact usable as a thermoelectric conversion material having a high Seebeck coefficient. The sintered compact has a chemical composition of La2S3 or Ce2S | 03/06/2007 |
| 7122165 | Sidewall-functionalized carbon nanotubes, and methods for making the same The invention provides a method of functionalizing the sidewalls of a plurality of carbon nanotubes with oxygen moieties, the method comprising: exposing a carbon nanotube dispersion to an ozone/oxygen mixture to form a plurality of ozonized carbon nanotubes; and co... | 10/17/2006 |
| 7021487 | Processing method for high pressure gas container and halogen containing gas filled in said container A metal container to be filled with a halogen containing gas, with the inner surface processed with a polishing agent. The gas has a reduced purity decline by the increase of the water content or impurities from the inner surface of the container which is absorbed b... | 04/04/2006 |
| 6998100 | Sulfur oxide sorption with layered chlorite-type contact solids Chlorite-like phyllosilicate materials are found useful as SOx sorbents. A novel process of sulfur oxide sorption is provided utilizing these layered materials as contact solids. Typical industrial applications include sulfur removal from fluid catalyst c... | 02/14/2006 |
| 6979708 | Hydrotalcites, syntheses, and uses Synthetic hydrotalcites of the general formula [M2+1−xM3+x(OH)2]x+[An−x/n.mH2O]x− where M2+ is a divalent... | 12/27/2005 |
| 6916457 | Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications A non-chrome, copper-containing catalyst, Cu—Al—O and method of preparing the same are provided wherein the Cu—Al—O catalyst is prepared by the co-precipitation of copper nitrate (Cu(NO3)2) and sodium aluminate (Na2Al2 | 07/12/2005 |
| 6841508 | Carbide and oxycarbide based compositions, rigid porous structures including the same, methods of making and using the same Compositions including oxycarbide-based nanorods and/or carbide-based nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including oxycarbide-based nanorods and/or carbide bas... | 01/11/2005 |
| 6821497 | Amorphous hard carbon film, mechanical parts and method for producing amorphous hard carbon film An amorphous hard carbon film has low friction coefficient from the beginning of sliding, when the metal oxide is contained in the film. The adhesion of the film to the substrate is also improved due to the low temperature treatment of RF plasma enhanced CVD method.... | 11/23/2004 |
| 6649140 | Process for the continuous production of hydrogen peroxide A process is described for the continuous production of alcoholic or hydro-alcoholic solutions of hydrogen peroxide in a concentration ranging from 2 to 10% by weight and their direct use in oxidation processes. The process operates under high safety condition... | 11/18/2003 |
| 6625248 | Process for the treatment of radioactive graphite A process for the treatment of radioactive graphite which includes the following steps: (i) reacting the radioactive graphite at a temperature in the range of from 250° C. to 900° C. with superheated steam or gases containing water vapor to form hydroge... | 09/23/2003 |
| 6569551 | Oxidant injection control The invention provides a novel method for controlling the oxidant injection to a reactor by determining fluctuations in the requirements from monitoring the flow rates and pressures of an upstream reactor. The method is used to oxidize carbon monoxide in ... | 05/27/2003 |
| 6403261 | Carbon-containing material and a method of making porous electrodes for chemical sources of electric current The proposed carbon-containing material comprises an electrode-active material, preferably a fluorocarbon, containing 58-67 wt. % fluorine, a binder, an agent adding to the conductance of the electrode-active material, and an expanding agent, in the capac... | 06/11/2002 |
| 6403260 | Carbon product rich in lithium for use as negative electrode in a lithium cell The invention relates to a lithium-rich carbonaceous substance which can be used as a negative electrode in a lithium accumulator. This substance has the following formula: LiNax Cy Oz (I) in which x, y and z are such that 0.4ࣘxà... | 06/11/2002 |
| 6284214 | Low or no slag molten metal processing of coke containing vanadium and sulfur A process for recovering and purifying vanadium found in petroleum coke is disclosed. Coke containing V and sulfur is charged to a molten metal bath and dissolved to form a molten metal bath with dissolved carbon, dissolved V metal and dissolved sulfur. A... | 09/04/2001 |
| 6284213 | Catalyst, process for the production of hydrogen peroxide and its use in oxidation processes The present invention relates to a catalyst consisting of a metal of the VIII group supported on acid activated carbon functionalized with sulfonic groups, a process for the synthesis of hydrogen peroxide from hydrogen and oxygen which uses said catalyst ... | 09/04/2001 |
| 6254797 | Ionic conducting material having good anticorrosive properties The invention relates to an ionically conductive material, to its preparation and to its uses. The material includes at least one ionic compound in solution in an aprotic solvent, chosen from the compounds (1/mM)+ [(ZY)2 N]-, ... | 07/03/2001 |
| 6200675 | Diamond-like nanocomposite compositions The invention relates to an improved diamond-like nanocomposite composition comprising networks of a-C:H and a-Si:O wherein the H-concentration is between 40% and 80% of the C-concentration and having a coefficient of friction against steel which is small... | 03/13/2001 |
| 6198005 | Treating methanol containing waste gas streams A method wherein a methanol-containing waste gas stream, such as a pulp mill waste stream which contains methanol and other waste products, including methyl mercaptans, is passed in contact with a catalyst comprising a supported or unsupported bulk metal ... | 03/06/2001 |
| 6147263 | Formaldehyde production A process for the catalytic conversion of methanol to formaldehyde wherein a gas stream containing methanol and oxygen is contacted with a silver catalyst in a first conversion zone containing a silver catalyst to produce an effluent containing formaldehy... | 11/14/2000 |
| 6077487 | Process and apparatus of removing metal carbonyls and moisture from a gas A process and composition for removing metal carbonyls and moisture from a gas wherein the gas is contacted with a metal oxide, an organometallic oxide or mixtures thereof having a reduction potential greater than about 0.175 volts and a composition capab... | 06/20/2000 |
| 6054107 | Phosgene manufacturing process A process for producing phosgene is disclosed which involves contacting a mixture comprising CO and Cl2 (e.g, at about 300° C. or less) with a silicon carbide catalyst having a surface area of at least 10 m2.g.sup.-1.... | 04/25/2000 |
| 6048508 | Process for obtaining carbon monoxide and hydrogen The present invention is directed to a process for simultaneously obtaining pure carbon monoxide and pure hydrogen in a steam reformer plant for hydrogen or ammonia generation, having a primary reformer, a secondary reformer and downstream thereof, a CO c... | 04/11/2000 |
| 6042796 | Process and apparatus for removing carbonyls and moisture from a gas A process and composition for removing metal carbonyls and moisture from a gas wherein the gas is contacted with a metal oxide, an organometallic oxide or mixtures thereof having a reduction potential greater than about 0.175 volts and a composition capab... | 03/28/2000 |
| 6039930 | Process for producing metal compounds from graphite oxide A process for providing elemental metals or metal oxides distributed on a carbon substrate or self-supported utilizing graphite oxide as a precursor. The graphite oxide is exposed to one or more metal chlorides to form an intermediary product comprising c... | 03/21/2000 |
| 5948475 | Elemental metals or oxides distributed on a carbon substrate or self-supported and the manufacturing process using graphite oxide as template A process for providing elemental metals or metal oxides distributed on a carbon substrate or self-supported utilizing graphite oxide as a percursor. The graphite oxide is exposed to one or more metal chlorides to form an intermediary product comprising c... | 09/07/1999 |
| 5925326 | Process for the production of high purity carbon dioxide Food grade carbon dioxide is produced from oxyfuel fired glassmaking furnace waste gas by a series of steps including quenching the waste gas with aqueous quench liquid, dry-filtering sulfur salt from the gas, scrubbing the filtered gas with aqueous carbo... | 07/20/1999 |
| 5916475 | Ionic conducting material having good anticorrosive properties An ionically conductive material which contains at least one ionic compound in solution in an aprotic solvent, wherein the ionic compound is selected from the group consisting of compounds of the formulae (1/mM)61 ((ZY)2N).crclbar., ... | 06/29/1999 |
