| |
 |
|
Class Information
Number: 208/416
Name: Mineral oils: processes and products > By treatment of solid mineral, e.g., coal liquefaction, etc. > Including contact of feed with liquid produced in the process, i.e., recycle > With discrete hydrogenation of recycle stream
Description: Subject matter in which the material removed from the process stream for recycle is hydrogenated, apart form the main process stream.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7569121 |
Process for producing synthetic oil from solid hydrocarbon resources |
Aug. 4, 2009 |
| 6927260 |
Optimization of heat removal in a gas-phase fluidized-bed process |
Aug. 9, 2005 |
| 5122260 |
Liquefaction of solid carbonaceous material with catalyst recycle |
Jun. 16, 1992 |
| 5120429 |
Co-processing of carbonaceous solids and petroleum oil |
Jun. 9, 1992 |
| 4879021 |
Hydrogenation of coal and subsequent liquefaction of hydrogenated undissolved coal |
Nov. 7, 1989 |
| 4846963 |
Ionic liquefaction process |
Jul. 11, 1989 |
| 4629554 |
Coal liquefaction with coal tar solvent |
Dec. 16, 1986 |
| 4605486 |
Coal liquefaction process with increased naphtha yields |
Aug. 12, 1986 |
| 4578175 |
Combined process for coal pyrolysis and char gasification |
Mar. 25, 1986 |
| 4551224 |
Coal liquefaction process |
Nov. 5, 1985 |
| 4539096 |
Process for recovering oil and metals from oil shale |
Sep. 3, 1985 |
| 4537675 |
Upgraded solvents in coal liquefaction processes |
Aug. 27, 1985 |
| 4536277 |
Shale oil stabilization with a hydrogen donor quench and a hydrogen transfer catalyst |
Aug. 20, 1985 |
| 4519895 |
Process for converting a carbonaceous material to lower paraffinic hydrocarbons and monocyclic aromatic hydrocarbons |
May. 28, 1985 |
| 4518480 |
Process for the efficient utilization of solvent modified oil shales |
May. 21, 1985 |
| 4495055 |
Coal catalytic hydrogenation process using direct coal slurry feed to reactor with controlled mixing conditions |
Jan. 22, 1985 |
| 4485008 |
Liquefaction process |
Nov. 27, 1984 |
| 4476009 |
Process for improving the hydrogen donor properties of a coal liquefaction solvent |
Oct. 9, 1984 |
| 4452688 |
Integrated coal liquefication process |
Jun. 5, 1984 |
| 4448665 |
Use of ammonia to reduce the viscosity of bottoms streams produced in hydroconversion processes |
May. 15, 1984 |
| 4431510 |
Process for producing hydrogen-enriched hydrocarbonaceous products from coal |
Feb. 14, 1984 |
| 4428818 |
Liquefaction of coal |
Jan. 31, 1984 |
| 4400261 |
Process for coal liquefaction by separation of entrained gases from slurry exiting staged dissolvers |
Aug. 23, 1983 |
| 4385982 |
Process for recovery of bitumen from tar sands |
May. 31, 1983 |
| 4374725 |
Process for coal liquefaction |
Feb. 22, 1983 |
| 4372838 |
Coal liquefaction process |
Feb. 8, 1983 |
| 4356077 |
Pyrolysis process |
Oct. 26, 1982 |
| 4347116 |
Two-stage coal liquefaction |
Aug. 31, 1982 |
| 4345989 |
Catalytic hydrogen-donor liquefaction process |
Aug. 24, 1982 |
| 4344838 |
Coal conversion catalysts |
Aug. 17, 1982 |
| 4334977 |
Method for the generation of recycle solvents in coal liquefaction |
Jun. 15, 1982 |
| 4333815 |
Coal liquefaction in an inorganic-organic medium |
Jun. 8, 1982 |
| 4332668 |
Pretreatment of solid carbonaceous material with dicarboxylic aromatic acids to prevent scale formation |
Jun. 1, 1982 |
| 4332666 |
Coal liquefaction process wherein jet fuel, diesel fuel and/or ASTM No. 2 fuel oil is recovered |
Jun. 1, 1982 |
| 4331531 |
Three-stage coal liquefaction process |
May. 25, 1982 |
| 4326946 |
Process for manufacture of solvent for coal liquefaction |
Apr. 27, 1982 |
| 4325803 |
Process for hydrogenation/extraction of organics contained in rock |
Apr. 20, 1982 |
| 4325801 |
Three-stage coal liquefaction process |
Apr. 20, 1982 |
| 4324637 |
Pyrolysis process with feed pretreatment utilizing a beneficially reactive gas |
Apr. 13, 1982 |
| 4324639 |
Pyrolysis process with feed pretreatment |
Apr. 13, 1982 |
| 4324638 |
Pyrolysis process for stabilizing volatile hydrocarbons |
Apr. 13, 1982 |
| 4324640 |
Pyrolysis process |
Apr. 13, 1982 |
| 4324641 |
Pyrolysis process utilizing a beneficially reactive gas |
Apr. 13, 1982 |
| 4324642 |
Pyrolysis process for producing condensed stabilized hydrocarbons utilizing a beneficially reactive gas |
Apr. 13, 1982 |
| 4324643 |
Pyrolysis process for producing condensed stabilized hydrocarbons |
Apr. 13, 1982 |
| 4324644 |
Pyrolysis process for stabilizing volatile hydrocarbons utilizing a beneficially reactive gas |
Apr. 13, 1982 |
| 4323447 |
Coal Liquefaction process employing octahydrophenanthrene-enriched solvent |
Apr. 6, 1982 |
| 4322284 |
Solvent refining of coal using octahydrophenanthrene-enriched solvent and coal minerals recycle |
Mar. 30, 1982 |
| 4312746 |
Catalytic production of octahydrophenanthrene-enriched solvent |
Jan. 26, 1982 |
| 4311578 |
Liquefaction process wherein solvents derived from the material liquefied and containing increased concentrations of donor species are employed |
Jan. 19, 1982 |
|
|
|
