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| Number | Title | Issue Date |
| 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 |
| 7054064 | Optical polarizer and method for fabricating such optical polarizer The present invention provides an optical polarizer and a method of fabricating such an optical polarizer. The optical polarizer includes a support member and an optical polarizing film supported by the support member. The optical polarizing film includes a number o... | 05/30/2006 |
| 6841610 | Fluorinated carbon fiber, and active material for battery and solid lubricant using the same A fluorinated carbon fiber has a hollow core structure in which a number of hexagonal carbon layers in the shape of a cup having no bottom are stacked. Edges of the hexagonal carbon layers are exposed on the inner and outer surfaces of the fluorinated carbon fiber. ... | 01/11/2005 |
| 6423288 | Fibrils A process for preparing carbon fibrils by contacting a source of carbon with a supported catalyst that includes at least one multivalent transition metal having a size of about 35 to 700 A deposited on an inorganic substrate having a size of up to about 4... | 07/23/2002 |
| 6375917 | Apparatus for the production of carbon fibrils by catalysis and methods thereof A process for preparing carbon fibrils by contacting a source of carbon with a supported catalyst that includes at least one multivalent transition metal having a size of about to 700 A deposited on an inorganic substrate having a size up to about 400 mic... | 04/23/2002 |
| 6346189 | Carbon nanotube structures made using catalyst islands The present invention includes several nanotube structures which can be made using catalyst islands disposed on a substrate (e.g. silicon, alumina, or quartz) or on the free end of an atomic force microscope cantilever. The catalyst islands are capable of... | 02/12/2002 |
| 5767165 | Method for converting natural gas and carbon dioxide to methanol and reducing CO2 emissions A process for the production of methanol from natural gas containing methane comprising the thermal decomposition of methane and the subsequent reaction of the resulting hydrogen gas with carbon dioxide in a catalyst containing methanol synthesis reactor ... | 06/16/1998 |
| 5500200 | Fibrils This invention relates to fibrils. It more particularly refers to carbon/graphite fibrils and to an improved process for producing such. Carbon fibrils as used herein means graphitic fibrils having high surface area, high Young's modulus of elasticity and... | 03/19/1996 |
| 5352524 | Carbon film and process for preparing the same (1) A carbon film derived from a polyimide film, which has a tensile strength of at least 15 Kgf/mm2, a tensile modulus of elasticity of at least 5000 Kgf/mm2 and an electric conductivity of at least 200 S/cm. (2) A process for prepa... | 10/04/1994 |
| 5169300 | Praseodymium-palladium binary oxide, catalyst, methods of combustion and regeneration A novel praseodymium-palladium oxide compound has the formula Pr4 PdO7. The compound has utility as a catalyst for oxidation of combustion mixtures comprising oxygen (e.g., air) and gaseous carbonaceous fuels such as methane and disp... | 12/08/1992 |
| 5151261 | Method of producing bromine-treated graphite fibers The method of producing bromine-processed graphite fibers comprises preparing gas phase grown carbon fibers by bringing a substrate carrying thereon ultrafine particles of metal catalyst into contact with hydrocarbon compound under a high temperature, gra... | 09/29/1992 |
| 5143709 | Process for production of graphite flakes and films via low temperature pyrolysis Electrically conductive carbon flakes and films are prepared in high yield by the pyrolysis of cyclic aromatic hydrocarbons, optionally halogenated, in the presence of a dehydrogenating agent at about at least 800° C. Flakes of thicknesses up to 20 μm a... | 09/01/1992 |
| 5137708 | Method of producing bromine-treated graphite fibers The method of producing bromine-processed graphite fibers, comprises graphitizing gas phase grown carbon fibers by bringing ultrafine particles of metal catalyst and a hydrocarbon compound suspended in a high temperature zone into contact with each other,... | 08/11/1992 |
| 5102647 | Method of producing vapor growth carbon fibers A method of producing vapor growth carbon fibers which are grown in a rection space by thermally decomposing gaseous hydrocarbon and by using transition metal fine particles as the catalyst, wherein the reaction space is filled with ceramic granules which... | 04/07/1992 |
| 4518575 | Catalytic fibrous carbon The production of microfibrous carbon by the catalytic pyrolysis of carbonaceous materials in the presence of metal containing catalysts is improved by the presence of a small quantity of a phosphorus-containing substance.... | 05/21/1985 |
| 4435376 | Fibrous carbon production The production of fibrous carbon from hydrocarbons can be improved by employing recycled hydrocarbons as carrier gases.... | 03/06/1984 |
| 4410504 | Method of producing high density carbon A method of producing high density carbon at relatively low temperatures is described. By flowing methane gas over glass rods or tubes at flow rates of 10 to 1300 cc per minute and temperatures of 1000° to 1200° C., carbon having a density greater than ... | 10/18/1983 |
| 4311672 | Method and apparatus for producing carbon black In a carbon black manufacturing process in which an off-specification rerun carbon black is mixed with the carbon black flowing from a carbon black reactor to produce a combined carbon black stream, method and apparatus is provided for controlling the car... | 01/19/1982 |
| 4111800 | Process for treating municipal solid waste and raw sewage sludge Raw sewage sludge is combined with a solution of sodium aluminate. Municipal solid waste is then treated with the sludge-aluminate mixture. The treated waste is then carbonized in a furnace.... | 09/05/1978 |
| 4056602 | High temperature chemical reaction processes utilizing fluid-wall reactors High temperature chemical reaction processes utilizing fluid-wall reactors can be conducted in fluid-wall reactors by a process which includes the steps of (a) generating a shell of a refractory material which reflects radiation, the volume enclosed by th... | 11/01/1977 |
| 4044117 | High temperature chemical reaction processes utilizing fluid-wall reactors High temperature chemical reaction processes utilizing fluid-wall reactors can be conducted in fluid-wall reactors by a process which includes the steps of (1) generating a shell of a refractory material which reflects radiation, the volume enclosed by th... | 08/23/1977 |
| 4013760 | Process for the production of isotropic pyrolytic carbon particles Graphite or carbon molded articles of high isotropy and high heat conductivity, especially useful for high temperature reactor fuel elements are prepared by pressing a mixture of a binder and a powdery carbon filler which consists partially or wholly of p... | 03/22/1977 |
| 3996022 | Conversion of waste rubber to fuel and other useful products Heretofore waste rubber, a substantial amount of it in the form of used automobile tires, has been buried, burned, or otherwise disposed of in manners and by means totally inconsistent with good ecological practices and considerations. Now, such waste or ... | 12/07/1976 |
| 3961025 | Method of carbonizing a substance comprising cellulose A method of treating municipal waste which contains cellulose comprises combining the waste with an alkali metal meta-aluminate, such as sodium aluminate, to form a carbonizing mixture and then heating the carbonizing mixture, in air, to carbonize the was... | 06/01/1976 |
