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Class Information
Number: 208/434
Name: Mineral oils: processes and products > By treatment of solid mineral, e.g., coal liquefaction, etc. > Including contact with extraneous additive other than hydrogen, e.g., solvent, etc. > Additive is petroleum or fraction from petroleum refining
Description: Subject matter wherein crude or refined mineral oil from an outside source is mixed with the solid feed to the process or with an intermediate or product derived from the solid feed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7569121 |
Process for producing synthetic oil from solid hydrocarbon resources |
Aug. 4, 2009 |
| 7419585 |
Process for upgrading residua |
Sep. 2, 2008 |
| 7112311 |
Cooling method of hydrotreating plant and cooling unit therefor |
Sep. 26, 2006 |
| 6709573 |
Process for the recovery of hydrocarbon fractions from hydrocarbonaceous solids |
Mar. 23, 2004 |
| 6592747 |
Method of controlling additives in copper plating baths |
Jul. 15, 2003 |
| 6365038 |
Method of producing combustible products from heavy fuel residue |
Apr. 2, 2002 |
| 5928495 |
Emulsion for heavy oil dilution and method of using same |
Jul. 27, 1999 |
| 5911541 |
Thin layer solvent extraction |
Jun. 15, 1999 |
| 5858247 |
Sludge demulsification process and agents |
Jan. 12, 1999 |
| 5676711 |
Oil conversion process |
Oct. 14, 1997 |
| 5505839 |
Method of coal liquefaction |
Apr. 9, 1996 |
| 5474582 |
Coal-water mixtures from low rank coal and process of preparation thereof |
Dec. 12, 1995 |
| 5372708 |
Method for the exploitation of oil shales |
Dec. 13, 1994 |
| 5338322 |
Process for converting heavy oil deposited on coal to distillable oil in a low severity process |
Aug. 16, 1994 |
| 5200063 |
Coal hydroconversion process comprising solvent enhanced pretreatment with carbon monoxide |
Apr. 6, 1993 |
| 5120429 |
Co-processing of carbonaceous solids and petroleum oil |
Jun. 9, 1992 |
| 5091076 |
Acid treatment of kerogen-agglomerated oil shale |
Feb. 25, 1992 |
| 5064523 |
Process for the hydrogenative conversion of heavy oils and residual oils, used oils and waste oils, mixed with sewage sludge |
Nov. 12, 1991 |
| 5047143 |
Method for converting lower grade uintaite to higher grade materials |
Sep. 10, 1991 |
| 5041209 |
Process for removing heavy metal compounds from heavy crude oil |
Aug. 20, 1991 |
| 5013428 |
Recovery of oil from a shale containing the same |
May. 7, 1991 |
| 4994174 |
Process and system for low-temperature carbonization of oil shale, oil sands or similar oil-bearing solids |
Feb. 19, 1991 |
| 4944866 |
Process for the hydrogenation of coal |
Jul. 31, 1990 |
| 4941966 |
Process for the hydrogenative conversion of heavy oils and residual oils |
Jul. 17, 1990 |
| 4853111 |
Two-stage co-processing of coal/oil feedstocks |
Aug. 1, 1989 |
| 4842692 |
Chemical reformer |
Jun. 27, 1989 |
| 4740294 |
Method for sequentially co-processing heavy hydrocarbon and carbonaceous materials |
Apr. 26, 1988 |
| 4722783 |
Conditioning of recycle shale in retorting process |
Feb. 2, 1988 |
| 4664788 |
Multi-stage coal liquefaction and fractionation method |
May. 12, 1987 |
| 4571294 |
Process for extracting hydrocarbons from hydrocarbon bearing ores |
Feb. 18, 1986 |
| 4541916 |
Coal liquefaction process using low grade crude oil |
Sep. 17, 1985 |
| 4539098 |
Upgrading carbonaceous materials |
Sep. 3, 1985 |
| 4536278 |
Shale oil stabilization with a hydrogen donor quench |
Aug. 20, 1985 |
| 4536279 |
Enhanced recovery of hydrocarbonaceous fluids from oil shale |
Aug. 20, 1985 |
| 4536277 |
Shale oil stabilization with a hydrogen donor quench and a hydrogen transfer catalyst |
Aug. 20, 1985 |
| 4533460 |
Oil shale extraction process |
Aug. 6, 1985 |
| 4522700 |
Coal liquefaction |
Jun. 11, 1985 |
| 4510038 |
Coal liquefaction using vacuum distillation and an external residuum feed |
Apr. 9, 1985 |
| 4510037 |
Hydrogenation process for solid carbonaceous feed materials using thermal countercurrent flow reaction zone |
Apr. 9, 1985 |
| 4468315 |
Hydrogenation of coal |
Aug. 28, 1984 |
| 4464246 |
Reagent and process for recovering oil and kerogens from oil shale |
Aug. 7, 1984 |
| 4461696 |
Shale-oil recovery process |
Jul. 24, 1984 |
| 4449586 |
Process for the recovery of hydrocarbons from oil shale |
May. 22, 1984 |
| 4435270 |
Re-refining lubricating oil in a bed of oil shale |
Mar. 6, 1984 |
| 4430193 |
Process for dissolving coal in hydrocarbon mixtures |
Feb. 7, 1984 |
| 4430194 |
Method for the production of a highly aromatic pitch-like coal by-product |
Feb. 7, 1984 |
| 4427532 |
Coking of coal with petroleum residua |
Jan. 24, 1984 |
| 4427526 |
Process for the production of hydrogenated aromatic compounds and their use |
Jan. 24, 1984 |
| 4415429 |
Process for the preparation of highly aromatic pitchlike hydrocarbons |
Nov. 15, 1983 |
| 4409089 |
Coal liquefaction and resid processing with lignin |
Oct. 11, 1983 |
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