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Class Information
Number: 208/390
Name: Mineral oils: processes and products > Tar sand treatment with liquid
Description: Subject matter in which tar sand is contacted with a liquid material, ordinarily to dissolve or melt out the tar from the sand.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591929 |
Oil sand processing apparatus and control system |
Sep. 22, 2009 |
| 7588682 |
Process and apparatus for enhanced recovery of oil from oily particulate material |
Sep. 15, 2009 |
| 7585407 |
Processing asphaltene-containing tailings |
Sep. 8, 2009 |
| 7569137 |
Process and apparatus for treating tailings |
Aug. 4, 2009 |
| 7556715 |
Bituminous froth inline steam injection processing |
Jul. 7, 2009 |
| 7540951 |
Integrated scheme of processes for extracting and treating an extra-heavy or bituminous crude |
Jun. 2, 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 |
| 7431830 |
Compact slurry preparation system for oil sand |
Oct. 7, 2008 |
| 7419585 |
Process for upgrading residua |
Sep. 2, 2008 |
| 7399406 |
Processing of oil sand ore which contains degraded bitumen |
Jul. 15, 2008 |
| 7381320 |
Heavy oil and bitumen upgrading |
Jun. 3, 2008 |
| 7357857 |
Process for extracting bitumen |
Apr. 15, 2008 |
| 7341658 |
Recovery of heavy minerals from a tar sand |
Mar. 11, 2008 |
| 7338593 |
Drilling fluid |
Mar. 4, 2008 |
| 7294156 |
Integrated process for bitumen recovery, separation and emulsification for steam generation |
Nov. 13, 2007 |
| 7141162 |
Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
Nov. 28, 2006 |
| 7112311 |
Cooling method of hydrotreating plant and cooling unit therefor |
Sep. 26, 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 |
| 6811683 |
Production of diesel fuel from bitumen |
Nov. 2, 2004 |
| 6746599 |
Staged settling process for removing water and solids from oils and extraction froth |
Jun. 8, 2004 |
| 6712215 |
Method and apparatus for recovery of lost diluent in oil sands extraction tailings |
Mar. 30, 2004 |
| 6709573 |
Process for the recovery of hydrocarbon fractions from hydrocarbonaceous solids |
Mar. 23, 2004 |
| 6549817 |
Method for regulating centrifuges for dehydrating wastewater sludge, using fuzzy logic |
Apr. 15, 2003 |
| 6527960 |
Jet pump treatment of heavy oil production sand |
Mar. 4, 2003 |
| 6391190 |
Mechanical deaeration of bituminous froth |
May. 21, 2002 |
| 6383261 |
Process for management of industrial wastes |
May. 7, 2002 |
| 6358404 |
Method for recovery of hydrocarbon diluent from tailing |
Mar. 19, 2002 |
| 6358403 |
Process for recovery of hydrocarbon from tailings |
Mar. 19, 2002 |
| 6319395 |
Process and apparatus for converting oil shale or tar sands to oil |
Nov. 20, 2001 |
| 6214213 |
Solvent process for bitumen seperation from oil sands froth |
Apr. 10, 2001 |
| 6207044 |
Solvent extraction of hydrocarbons from inorganic materials and solvent recovery from extracted hydrocarbons |
Mar. 27, 2001 |
| 6153017 |
Treatment of soil contaminated with oil or oil residues |
Nov. 28, 2000 |
| 6110359 |
Method for extracting bitumen from tar sands |
Aug. 29, 2000 |
| 6074549 |
Jet pump treatment of heavy oil production sand |
Jun. 13, 2000 |
| 6074558 |
Biochemical treatment of bitumen froth tailings |
Jun. 13, 2000 |
| 6019888 |
Method of reducing moisture and solid content of bitumen extracted from tar sand minerals |
Feb. 1, 2000 |
| 6007708 |
Cold dense slurrying process for extracting bitumen from oil sand |
Dec. 28, 1999 |
| 6007709 |
Extraction of bitumen from bitumen froth generated from tar sands |
Dec. 28, 1999 |
| 6004455 |
Solvent-free method and apparatus for removing bituminous oil from oil sands |
Dec. 21, 1999 |
| 5985138 |
Tar sands extraction process |
Nov. 16, 1999 |
| 5968349 |
Extraction of bitumen from bitumen froth and biotreatment of bitumen froth tailings generated from tar sands |
Oct. 19, 1999 |
| 5876592 |
Solvent process for bitumen separation from oil sands froth |
Mar. 2, 1999 |
| 5846314 |
Process for treating a waste material resulting from an oil recovery from tar sands process |
Dec. 8, 1998 |
| 5795444 |
Method and apparatus for removing bituminous oil from oil sands without solvent |
Aug. 18, 1998 |
| 5795464 |
Conversion of the organic component from tar sands to lower boiling products |
Aug. 18, 1998 |
| 5762780 |
Method and apparatus for removing bituminous oil from oil sands without solvent |
Jun. 9, 1998 |
| 5746909 |
Process for extracting tar from tarsand |
May. 5, 1998 |
| 5728202 |
Gilsonite modified, natural, hydrocarbon-enriched sand composition |
Mar. 17, 1998 |
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