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| Number | Title | Issue Date |
| 7294314 | Heat exchangers with novel ball joints and assemblies and processes using such heat exchangers What is disclosed herein deals with low to medium pressure, high temperature, all ceramic, air-to-air, indirect heat exchangers, novel ball joints, high load-bearing ceramic tube sheets, and tube seal extenders for ceramic tubes that are useful in such heat exchange... | 11/13/2007 |
| 7157167 | Thermocatalytic process for CO-free production of hydrogen and carbon from hydrocarbons A novel process and apparatus are disclosed for sustainable CO2-free production of hydrogen and carbon by thermocatalytic decomposition (dissociation, pyrolysis, cracking) of hydrocarbon fuels over carbon-based catalysts in the absence of air and/or water... | 01/02/2007 |
| 6926877 | Process and apparatus for producing carbon blacks The present invention provides processes for introducing a fluid stream into a carbon black reactor and for producing carbon black. According to the present invention a fluid stream comprising an oxidant; nitrogen, hydrogen a hydrocarbonaceous material or mixtures t... | 08/09/2005 |
| 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 |
| 6068827 | Decomposition of hydrocarbon to carbon black A decomposition reactor for installation in connection with a thermal decomposition chamber for hydrocarbon gases, especially a plasma torch, is designed in the form of a defined, insulated chamber, with an inlet for admixtures/gases in the walls of the r... | 05/30/2000 |
| 6025429 | Granulated acetylene black, process for its production and its application Granulated acetylene black having a bead strength of at least 5 g/grain, a bulk density of at least 0.2 g/cm3 and a grit content of at most 10 ppm.... | 02/15/2000 |
| 5997837 | Method for decomposition of hydrocarbons In a method for decomposition of hydrocarbons for the production of hydrogen and carbon black, the feed stock is passed through a plasma torch, which causes a pyrolytic decomposition of the feed stock. The feed stock is transported through the plasma torc... | 12/07/1999 |
| 5951960 | Electrode consumption in plasma torches Provided is a method for the reduction of electrode consumption in plasma torches during the processing and decomposition of hydrocarbons for the production of carbon black and hydrogen where hydrogen is supplied to the plasma torch as a plasma forming ga... | 09/14/1999 |
| 5914093 | Process for simultaneously producing hydrogen and carbon black A process for simultaneously producing carbon black and hydrogen, wherein ethylene is fed into a reaction system having a temperature of 400° C. or above and a pressure of not less than 5 kg/cm2 in an inert atmosphere in the presence of a nick... | 06/22/1999 |
| 5859120 | Carbon black and processes for manufacturing Carbon blacks containing silicon and a process for manufacturing them. The carbon blacks containing silicon are suitable as reinforcing carbon blacks for rubber mixtures and give the latter viscoelastic properties such as reduced rolling resistance in tir... | 01/12/1999 |
| 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 |
| 5725616 | Method for combustion of hydrocarbons In order to enrich natural gas or other hydrocarbon gases with hydrogen, thus reducing the carbon content and thereby achieving a reduction or elimination of the discharge of carbon dioxide during combustion of the gases, a pyrolytic process is conducted ... | 03/10/1998 |
| 5597611 | Reinforced carbon composites Layered carbon-carbon composites having improved interlaminar tensile strength are disclosed together with a process for making such composites. A metal catalyst is first deposited on a panel comprising a plurality of layers of carbon fiber cloth. The pan... | 01/28/1997 |
| 5527518 | Production of carbon black For producing carbon black material having a surface area of less than 5 m2 /g, a dibutyl phthalate absorption of less than 30 ml/100 g and density compressed to 1.5-1.7 g/cm3 and a specific electrical resistance of less than 0.1 ohm... | 06/18/1996 |
| 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 |
| 5262146 | Method for producing carbon black A method for producing carbon black by means of a horizontal carbon black production furnace having a first reaction zone in which a mixture of an oxygen-containing gas and a fuel is burned to form a high temperature gas stream, a second reaction zone in ... | 11/16/1993 |
| 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 |
| 5069892 | Carbon black for tire tread The present invention discloses a carbon black having an N2 SA of 75 to 105 m2 /g and a compressive DBP absorption of at least 110 ml/100 g and, at the same time, having the following selective characteristic values: true specific gr... | 12/03/1991 |
| 5059408 | Carbon black for tire tread There is disclosed carbon black for a tire tread which has a cetyltrimethylammonium bromide specific surface area (CTAB) of 120 to 160 M2 /g, a dibutly phthalate absorption number of compressed sample (24M4DBP) of at least 100 to 145 ml/100g, a... | 10/22/1991 |
| 5039504 | Process for producing graphite whiskers There is provided a process for producing graphite whiskers by supplying a carbon source compound with a carrier gas into a heating zone in a reactor and decomposing the carbon source compound in a gas phase in the presence of a catalyst, characterized in... | 08/13/1991 |
| 5011670 | Integrated reformer process for the production of carbon black Carbon black is produced from a pyrolyzed hydrocarbon wherein pyrolysis is effected by combusting a synthesis gas containing hydrogen and carbon monoxide. The synthesis gas is produced from reforming a hydrocarbon fuel, wherein the reformation is heated b... | 04/30/1991 |
| 4978649 | Porous carbonaceous material The present invention relates to physical chemistry. The material is made as a three-dimensional matrix with a pore volume of from 0.2 to 1.7 cm3 /g. The matrix is formed by bent layers of carbon of 100-10,000 Å thickness and 100-10000 Å radius of... | 12/18/1990 |
| 4795591 | Process for the preparation of graphite intercalation compound and novel graphite intercalation compound A graphite intercalation compound enjoying high stability is produced by a method characterized by using a previously synthesized acceptor type graphite intercalation compound as a raw material and intercalating therein a substance different from the subs... | 01/03/1989 |
| 4751069 | Automotive high color carbon Disclosed is a novel high color carbon black having an electron microscope surface area over 250 m2 /g and a nitrogen adsorption surface area between about 240 and about 500 m2 /g and a novel furnace carbon black having an electron m... | 06/14/1988 |
| 4725424 | Process for producing carbon black A process for producing carbon black by a furnace method wherein carbon black is produced in a reaction system comprising a first zone where a mixture of a fuel hydrocarbon and an oxygen-containing gas is burned to form a high temperature combustion gas a... | 02/16/1988 |
| 4701317 | Highly electroconductive films and process for preparing same A highly electroconductive carbonaceous film having an electrical conductivity of at least about 1000 s/cm is prepared by thermally decomposing a diethynylbenzene in a carrier gas composed of an inert gas at a temperature of about 950° C. to about 1050°... | 10/20/1987 |
| 4634546 | Process for the intercalation of graphitic carbon employing fully halogenated hydrocarbons An improved procedure is provided for increasing the electrical conductivity of graphite via intercalation. It has been found that fully halogenated hydrocarbons (as described) have the ability to substantially aid the intercalation of graphite by previou... | 01/06/1987 |
| 4632775 | Process for the intercalation of graphitic carbon employing sulfur trioxide An improved procedure is provided for increasing the electrical conductivity of graphite via intercalation. It has been found that sulfur trioxide has the ability to substantially aid the intercalation of graphite by previously known intercalants such as ... | 12/30/1986 |
| 4608244 | Acetylene black Granular acetylene black excellent in dispersibility in rubber, plastic, and the like and conductivity-endowing effect and scarce in dust scattering. The granular acetylene black is made from acetylene black wherein the half-width of the 1355 cm-1 | 08/26/1986 |
| 4575383 | Process for producing acetylene using a heterogeneous mixture A method for converting methane to acetylene is disclosed wherein a hydrocarbon fuel is compressed, an oxygen-containing gas is introduced into a portion of the compressed hydrocarbon fuel and ignited to produce heat which causes the remaining portion of ... | 03/11/1986 |
| 4504519 | Diamond-like film and process for producing same An amorphous, carbonaceous, diamond-like film and a process for producing the same is disclosed. The film has an extremely low hydrogen content and an extremely low stress, is resistant to both acids and alkalis, and adheres tenaciously to many types of s... | 03/12/1985 |
| 4452771 | Carbon particles A method and apparatus whereby small carbon particles are made by pyrolysis of a mixture of acetylene carried in argon. The mixture is injected through a nozzle into a heated tube. A small amount of air is added to the mixture. In order to prevent carbon ... | 06/05/1984 |
| 4452676 | Carbon dioxide conversion system for oxygen recovery A process for recovering oxygen from carbon dioxide is disclosed which is an improvement over the conventional process of utilizing an iron carbide catalyst in such reclamation process. As with the conventional processes the carbon dioxide is reacted with... | 06/05/1984 |
| 4435376 | Fibrous carbon production The production of fibrous carbon from hydrocarbons can be improved by employing recycled hydrocarbons as carrier gases.... | 03/06/1984 |
| 4412974 | Production of carbon black by an incomplete air-acetylene combustion reaction This invention relates to the production of carbon black by means of an incomplete air-acetylene combustion reaction. The apparatus comprises heating means arranged around an acetylene jet and arranged to cause heat cracking of the acetylene molecules prior to... | 11/01/1983 |
| 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 |
| 4395814 | Acoustic vibrating element of graphite and method of manufacturing same An acoustic vibrating element, such a domed speaker diaphragm A or a phonographic pickup cantilever B, is formed by vapor deposition on an easily separable mold member 5 of tantalum or tantalum alloy when a mixture of a hydrocarbon gas and an inert gas is... | 08/02/1983 |
| 4340577 | Process for producing carbon black Carbon black is produced from sources of acetylene and at least one gaseous hydrocarbon selected from the group consisting of ethylenically unsaturated hydrocarbons, aromatic unsaturated hydrocarbons, monocyclic unsaturated hydrocarbons and polycyclic uns... | 07/20/1982 |
| 4279880 | Acetylene black with high electrical conductivity and high absorptive power Carbon blacks having a carbon content greater than 99%, a mean particle diameter of 250 to 300 A, an electrical resistivity, measured under a pressure of 6.3 bars, of 0.270 to 0.350 ohm.cm and a DBP index of 400 to 500 ml per 100 g of black are disclosed ... | 07/21/1981 |
