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| Number | Title | Issue Date |
| 7294185 | Reaction of carbon black with diazonium salts, resultant carbon black products and their uses Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current sufficient to reduce the diazonium sal... | 11/13/2007 |
| 6916435 | Process of making graphite articles A process for preparing graphite articles is presented. In particular, the process includes employing a particulate fraction comprising at least about 35 weight percent coke, coal or combinations thereof having a diameter such that a major fraction of it passes thro... | 07/12/2005 |
| 6740151 | Reaction of carbon black with diazonium salts, resultant carbon black products and their uses Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current sufficient to reduce the diazonium sal... | 05/25/2004 |
| 6551393 | Methods of making a particle having an attached stable free radical A modified particle is disclosed wherein a particle has an attached group having the formula: ##STR1## wherein Ar represents an aromatic group; R1 represents a bond, an arylene group, an alkylene group, ##STR2## wherein R4 is an... | 04/22/2003 |
| 6489518 | Process for reducing the salt content of fractions comprising high boilers obtained in the preparation of phenol from cumene, by extraction A process for reducing the salt content of fractions comprising high boilers obtained in the preparation of phenol from cumene, by extraction, is claimed. In the preparation of phenol from cumene, not only phenol and acetone but also by-products such as d... | 12/03/2002 |
| 6485693 | Apparatus for producing carbon blacks A process for producing carbon black comprising reacting a reaction stream formed by a prior carbon black forming process with an oxidant and a carbon black yielding feedstock to produce carbon black and cooling, separating and recovering the carbon black... | 11/26/2002 |
| 6368239 | Methods of making a particle having an attached stable free radical A modified particle is disclosed wherein a particle has an attached group having the formula: ##STR1## wherein Ar represents an aromatic group; R1 represents a bond, an arylene group, an alkylene group, ##STR2## wherein R4 is an... | 04/09/2002 |
| 6197274 | Silica coated carbon blacks Silica coated carbon blacks are disclosed and can be prepared by coating a fine dispersion of carbon black, such as a carbon black having an attached organic group(s). Compositions and articles of manufacture, including elastomeric compositions, containin... | 03/06/2001 |
| 5439864 | Shaped carbonaceous composition This invention relates to a shaped composition composed of a carbonaceous pyropolymer having recurring units containing at least carbon and hydrogen atoms. The composition is characterized by a crush strength of at least 6 kg and has a bimodal pore distri... | 08/08/1995 |
| 5138959 | Method for treatment of hazardous waste in absence of oxygen Hazardous waste treatment method and apparatus are disclosed in the preferred and illustrated embodiment. A feedstock of solid or liquid hazardous waste material is combusted in a plasma generator in the absence of oxygen and converted into non-hazardous ... | 08/18/1992 |
| 5049369 | Control of a carbon black reactor A method and apparatus for controlling in a continuous fashion the surface area of carbon black being produced in the carbon black formation zone of a carbon black reactor. Specifically, this invention is a method and apparatus for maintaining uniform sur... | 09/17/1991 |
| 4959185 | Process for producing acoustic carbon diaphragm A process for producing an acoustic diaphragm of carbonaceous material including the steps of uniformly depositing vapor phase thermally decomposed carbon generated by the thermal decomposition of a carbon-generating material introduced together with a ca... | 09/25/1990 |
| 4891203 | Flake-like carbon bodies from semicoke An anisotropic carbonaceous body is produced by plastically deforming a pitch-based semicoke at elevated temperature to align the internal structure. The semicoke may be carbonized and graphitized while retaining its anisotropic properties.... | 01/02/1990 |
| 4714639 | Methods and materials for thermoelectric and light-heat conversion The disclosure is directed to a method for converting between heat energy and electric energy which is characterized in that a carbon intercalation compound is employed as a thermoelectric material by utilizing a temperature difference in a direction perp... | 12/22/1987 |
| 4459273 | Carbon black obtained from aqueous suspensions This invention relates to carbon black obtained from an aqueous suspension. A practically water-free carbon black is obtained from aqueous suspensions by mixing the suspension with liquid low-boiling hydrocarbons, then expanding the mixture in a vessel to... | 07/10/1984 |
| 4435376 | Fibrous carbon production The production of fibrous carbon from hydrocarbons can be improved by employing recycled hydrocarbons as carrier gases.... | 03/06/1984 |
| 4431624 | Feedstock nozzle and use in carbon black process A carbon black feedstock nozzle in which a central pipe with a diverging nozzle outlet is surrounded by at least one concentric annulus having a diverging nozzle outlet with a spray angle different from that of the central pipe and with means for supplyin... | 02/14/1984 |
| 4292291 | Process for the production of furnace black There is set forth a process for the production of furnace black comprising spraying an oily carbon black forming material into a stream of hot combustion gases produced by reaction of fuel with reaction air, chilling and recovery of the carbon black by s... | 09/29/1981 |
| 4154808 | Process for the production of high qualtiy carbon black High quality carbon black forming material convertible with high yield into furnace black having a high abrasion resistance in rubber is prepared by dissolving pitch with conventional thinly liquid carbon black feed stock and mechanically separating suspe... | 05/15/1979 |
| 4005181 | Method to make carbon black utilizing polymers Normally solid polymers can be fed into a carbon black furnace or carbon black reactor together with the fuel and/or the oxidant forming the hot combustion gases; the polymers are at least partially combusted in the carbon black reactor.... | 01/25/1977 |
