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Class Information
Number: 208/418
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 > Including contact with hydrogen gas
Description: Subject matter wherein hydrogen gas, pure or in admixture with other gases is present in the reactor during or after the contaction with the recycle 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 |
| 7390398 |
Process for upgrading heavy oil using a highly active slurry catalyst composition |
Jun. 24, 2008 |
| 6927260 |
Optimization of heat removal in a gas-phase fluidized-bed process |
Aug. 9, 2005 |
| 6873672 |
Procedure and device for measuring resistance to hydriding of tubes and tubular claddings |
Mar. 29, 2005 |
| 6319395 |
Process and apparatus for converting oil shale or tar sands to oil |
Nov. 20, 2001 |
| 6190542 |
Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds |
Feb. 20, 2001 |
| 6139722 |
Process and apparatus for converting oil shale or tar sands to oil |
Oct. 31, 2000 |
| 5681452 |
Process and apparatus for converting oil shale or tar sands to oil |
Oct. 28, 1997 |
| 5332489 |
Hydroconversion process for a carbonaceous material |
Jul. 26, 1994 |
| 5269910 |
Method of coil liquefaction by hydrogenation |
Dec. 14, 1993 |
| 5228982 |
Liquefaction of decarboxylated carbonaceous solids |
Jul. 20, 1993 |
| 5045180 |
Catalytic two-stage coal liquefaction process having improved nitrogen removal |
Sep. 3, 1991 |
| 4944866 |
Process for the hydrogenation of coal |
Jul. 31, 1990 |
| 4917791 |
Process and catalysts for hydroconversion of coal or petroleum asphaltene to distillate liquids |
Apr. 17, 1990 |
| 4900429 |
Process utilizing pyrolyzation and gasification for the synergistic co-processing of a combined feedstock of coal and heavy oil to produce a synthetic crude oil |
Feb. 13, 1990 |
| 4874506 |
Catalytic two-stage coal hydrogenation process using extinction recycle of heavy liquid fraction |
Oct. 17, 1989 |
| 4846963 |
Ionic liquefaction process |
Jul. 11, 1989 |
| 4816141 |
Catalytic two-stage liquefaction of coal utilizing cascading of used ebullated-bed catalyst |
Mar. 28, 1989 |
| 4764270 |
Simultaneous upgrading of tar sand bitumen and coal by corefining |
Aug. 16, 1988 |
| 4740289 |
Process for the hydrogenolysis of a coal liquid bottom |
Apr. 26, 1988 |
| 4714543 |
Method of treating brown coal for liquefaction |
Dec. 22, 1987 |
| 4666589 |
Method for pretreating feedstocks for coal hydrogenation |
May. 19, 1987 |
| 4639310 |
Process for the production of reformer feed and heating oil or diesel oil from coal by liquid-phase hydrogenation and subsequent gas-phase hydrogenation |
Jan. 27, 1987 |
| 4629554 |
Coal liquefaction with coal tar solvent |
Dec. 16, 1986 |
| 4627913 |
Catalytic coal liquefaction with treated solvent and SRC recycle |
Dec. 9, 1986 |
| 4626342 |
Catalytic coal liquefaction process |
Dec. 2, 1986 |
| 4617106 |
Catalysts for coal liquefaction processes |
Oct. 14, 1986 |
| 4610776 |
Coal liquefaction process |
Sep. 9, 1986 |
| 4609455 |
Coal liquefaction with preasphaltene recycle |
Sep. 2, 1986 |
| 4602992 |
Coal hydrogenation process with integrated refining stage |
Jul. 29, 1986 |
| 4596650 |
Liquefaction of sub-bituminous coal |
Jun. 24, 1986 |
| 4595488 |
Multistage process for the direct liquefaction of coal |
Jun. 17, 1986 |
| 4594140 |
Integrated coal liquefaction, gasification and electricity production process |
Jun. 10, 1986 |
| 4587006 |
Process for recovering shale oil from raw oil shale |
May. 6, 1986 |
| H69 |
Solvent treatment of coal for improved liquefaction |
May. 6, 1986 |
| 4576708 |
Beneficiation of shale kerogen and its conversion into shale oil |
Mar. 18, 1986 |
| 4569749 |
Coal liquefaction process |
Feb. 11, 1986 |
| 4547282 |
Coal liquefaction and hydrogenation |
Oct. 15, 1985 |
| 4545890 |
Coal liquefaction and hydrogenation |
Oct. 8, 1985 |
| 4541914 |
Process for converting coal |
Sep. 17, 1985 |
| 4541916 |
Coal liquefaction process using low grade crude oil |
Sep. 17, 1985 |
| 4537675 |
Upgraded solvents in coal liquefaction processes |
Aug. 27, 1985 |
| 4534847 |
Process for producing low-sulfur boiler fuel by hydrotreatment of solvent deashed SRC |
Aug. 13, 1985 |
| 4534848 |
Coal liquefaction with a selenium catalyst |
Aug. 13, 1985 |
| 4523986 |
Liquefaction of coal |
Jun. 18, 1985 |
| 4518479 |
Time phased alternate blending of feed coals for liquefaction |
May. 21, 1985 |
| 4510037 |
Hydrogenation process for solid carbonaceous feed materials using thermal countercurrent flow reaction zone |
Apr. 9, 1985 |
| 4510040 |
Coal liquefaction process |
Apr. 9, 1985 |
| 4502941 |
Non-aqueous hydrogenation of solid carbonaceous material |
Mar. 5, 1985 |
| 4495055 |
Coal catalytic hydrogenation process using direct coal slurry feed to reactor with controlled mixing conditions |
Jan. 22, 1985 |
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