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Class Information
Number: 208/428
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.
Description: Subject matter wherein the feed material, an intermediate material, or a product mixture is contacted with a substance, other than hydrogen, brought in from outside the process.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7569137 |
Process and apparatus for treating tailings |
Aug. 4, 2009 |
| 7438807 |
Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
Oct. 21, 2008 |
| 7438189 |
Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
Oct. 21, 2008 |
| 7390398 |
Process for upgrading heavy oil using a highly active slurry catalyst composition |
Jun. 24, 2008 |
| 7384557 |
Method and apparatus for removing solute from a solid solute-bearing product |
Jun. 10, 2008 |
| 7276148 |
Process for treatment of organic waste |
Oct. 2, 2007 |
| 7264711 |
Process for converting oil shale into petroleum |
Sep. 4, 2007 |
| 7141162 |
Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
Nov. 28, 2006 |
| 7090768 |
Surfactant for bitumen separation |
Aug. 15, 2006 |
| 7008528 |
Process and system for continuously extracting oil from solid or liquid oil bearing material |
Mar. 7, 2006 |
| 6936159 |
Process for recovering hydrocarbons from a carbon containing material |
Aug. 30, 2005 |
| 6709573 |
Process for the recovery of hydrocarbon fractions from hydrocarbonaceous solids |
Mar. 23, 2004 |
| 6547960 |
Oil separating apparatus for oil containing substance and method therefor |
Apr. 15, 2003 |
| 6365038 |
Method of producing combustible products from heavy fuel residue |
Apr. 2, 2002 |
| 6274030 |
Filtration of feed to integration of solvent deasphalting and gasification |
Aug. 14, 2001 |
| 6168708 |
Method for recovery and recycling of hydrocarbon residue |
Jan. 2, 2001 |
| 6120680 |
Sludge liquefaction process and agents |
Sep. 19, 2000 |
| 6036849 |
Process for the removal of hydrocarbons from soils |
Mar. 14, 2000 |
| 5938927 |
Process for extracting oil from contaminated filter media |
Aug. 17, 1999 |
| 5936134 |
Method for obtaining storable products of calorific energy and synthetical oils, by processing waste rubber materials with coal |
Aug. 10, 1999 |
| 5858247 |
Sludge demulsification process and agents |
Jan. 12, 1999 |
| 5690811 |
Method for extracting oil from oil-contaminated soil |
Nov. 25, 1997 |
| 5653865 |
Method and apparatus for recovering the fuel value of crude oil sludge |
Aug. 5, 1997 |
| 5605618 |
Process for preparing nitrogen-containing isotropic pitch and nitrogen-containing isotropic pitch |
Feb. 25, 1997 |
| 5571403 |
Process for extracting hydrocarbons from diatomite |
Nov. 5, 1996 |
| 5505839 |
Method of coal liquefaction |
Apr. 9, 1996 |
| 5492618 |
Recovery of hard acids and soft bases from decomposed coal |
Feb. 20, 1996 |
| 5489376 |
Recovery of hard acids and soft bases from decomposed coal |
Feb. 6, 1996 |
| 5489377 |
Recovery of hard acids and soft bases from decomposed coal |
Feb. 6, 1996 |
| 5454934 |
Coal liquefaction using atomically dispersed metals |
Oct. 3, 1995 |
| 5360537 |
Apparatus and method for retorting oil shale and like materials |
Nov. 1, 1994 |
| 5298157 |
Coal depolymerization utilizing hard acid/soft base |
Mar. 29, 1994 |
| 5296133 |
Low ash coal products from depolymerized coal |
Mar. 22, 1994 |
| 5294349 |
Coal depolymerization and hydroprocessing |
Mar. 15, 1994 |
| 5277796 |
Pretreating oil shale with organic acid to increase retorting yield and process efficiency |
Jan. 11, 1994 |
| 5269910 |
Method of coil liquefaction by hydrogenation |
Dec. 14, 1993 |
| 5266189 |
Integrated low severity alcohol-base coal liquefaction process |
Nov. 30, 1993 |
| 5256278 |
Direct coal liquefaction process |
Oct. 26, 1993 |
| 5248413 |
Process for removing sulfur and producing enhanced quality and environmentally acceptable products for energy production from coal |
Sep. 28, 1993 |
| 5228982 |
Liquefaction of decarboxylated carbonaceous solids |
Jul. 20, 1993 |
| 5151173 |
Conversion of coal with promoted carbon monoxide pretreatment |
Sep. 29, 1992 |
| 5122259 |
Separation of oil and precious metals from mined oil-bearing rock material |
Jun. 16, 1992 |
| 5120430 |
Coal solubilization |
Jun. 9, 1992 |
| 5120428 |
Deashing of heavy hydrocarbon residues |
Jun. 9, 1992 |
| 5084160 |
Method for solubilization of low-rank coal using low molecular weight cell-free filtrates derived from cultures of coriolus versicolor |
Jan. 28, 1992 |
| 5080721 |
Process for cleaning particulate solids |
Jan. 14, 1992 |
| 5059307 |
Process for upgrading coal |
Oct. 22, 1991 |
| 5053118 |
Bitumen extraction from asphalt pavements |
Oct. 1, 1991 |
| 5047143 |
Method for converting lower grade uintaite to higher grade materials |
Sep. 10, 1991 |
| 5013428 |
Recovery of oil from a shale containing the same |
May. 7, 1991 |
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