| |
 |
|
Class Information
Number: 208/391
Name: Mineral oils: processes and products > Tar sand treatment with liquid > Inorganic (only) liquid
Description: Subject matter in which the liquid is inorganic, usually water.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7438189 |
Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
Oct. 21, 2008 |
| 7438807 |
Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
Oct. 21, 2008 |
| 7416671 |
Separation and recovery of bitumen oil from tar sands |
Aug. 26, 2008 |
| 7357857 |
Process for extracting bitumen |
Apr. 15, 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 |
| 7008528 |
Process and system for continuously extracting oil from solid or liquid oil bearing material |
Mar. 7, 2006 |
| 6746599 |
Staged settling process for removing water and solids from oils and extraction froth |
Jun. 8, 2004 |
| 6547960 |
Oil separating apparatus for oil containing substance and method therefor |
Apr. 15, 2003 |
| 6527960 |
Jet pump treatment of heavy oil production sand |
Mar. 4, 2003 |
| 6358403 |
Process for recovery of hydrocarbon from tailings |
Mar. 19, 2002 |
| 6358404 |
Method for recovery of hydrocarbon diluent from tailing |
Mar. 19, 2002 |
| 6274030 |
Filtration of feed to integration of solvent deasphalting and gasification |
Aug. 14, 2001 |
| 6214213 |
Solvent process for bitumen seperation from oil sands froth |
Apr. 10, 2001 |
| 6074549 |
Jet pump treatment of heavy oil production sand |
Jun. 13, 2000 |
| 6007709 |
Extraction of bitumen from bitumen froth generated from tar sands |
Dec. 28, 1999 |
| 6007708 |
Cold dense slurrying process for extracting bitumen from oil sand |
Dec. 28, 1999 |
| 5985138 |
Tar sands extraction process |
Nov. 16, 1999 |
| 5871637 |
Process for upgrading heavy oil using alkaline earth metal hydroxide |
Feb. 16, 1999 |
| 5795464 |
Conversion of the organic component from tar sands to lower boiling products |
Aug. 18, 1998 |
| 5795444 |
Method and apparatus for removing bituminous oil from oil sands without solvent |
Aug. 18, 1998 |
| 5770049 |
Tar sands extraction process |
Jun. 23, 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 |
| 5723042 |
Oil sand extraction process |
Mar. 3, 1998 |
| 5690811 |
Method for extracting oil from oil-contaminated soil |
Nov. 25, 1997 |
| 5645714 |
Oil sand extraction process |
Jul. 8, 1997 |
| 5626743 |
Tar sands extraction process |
May. 6, 1997 |
| 5607577 |
Prevention of sulfur gas emissions from a rotary processor using lime addition |
Mar. 4, 1997 |
| 5534136 |
Method and apparatus for the solvent extraction of oil from bitumen containing tar sand |
Jul. 9, 1996 |
| 5492628 |
Process for reducing sludge accumulation in the hot water extraction process for oil sands |
Feb. 20, 1996 |
| 5480566 |
Method for releasing and separating oil from oil sands |
Jan. 2, 1996 |
| 5460270 |
Oil sand extraction process with in-line middlings aeration and recycle |
Oct. 24, 1995 |
| 5453133 |
Soil remediation |
Sep. 26, 1995 |
| 5340467 |
Process for recovery of hydrocarbons and rejection of sand |
Aug. 23, 1994 |
| 5338442 |
Process for converting and upgrading organic resource materials in aqueous environments |
Aug. 16, 1994 |
| 5326456 |
Upgrading of bitumen asphaltenes by hot water treatment containing carbonate (C-2726) |
Jul. 5, 1994 |
| 5320746 |
Process for recovering oil from tar sands |
Jun. 14, 1994 |
| 5316664 |
Process for recovery of hydrocarbons and rejection of sand |
May. 31, 1994 |
| 5316659 |
Upgrading of bitumen asphaltenes by hot water treatment |
May. 31, 1994 |
| 5290433 |
Froth washer |
Mar. 1, 1994 |
| 5264118 |
Pipeline conditioning process for mined oil-sand |
Nov. 23, 1993 |
| 5223148 |
Process for increasing the bitumen content of oil sands froth |
Jun. 29, 1993 |
| 5192423 |
Apparatus and method for separation of wet particles |
Mar. 9, 1993 |
| 5186820 |
Process for separating bitumen from tar sands |
Feb. 16, 1993 |
| 5185296 |
Method for forming a dielectric thin film or its pattern of high accuracy on a substrate |
Feb. 9, 1993 |
| 5143598 |
Methods of tar sand bitumen recovery |
Sep. 1, 1992 |
| 5135871 |
Method for isolating kerogen from a mineral sample in a pressurized reaction cell |
Aug. 4, 1992 |
| 5118408 |
Reducing the water and solids contents of bitumen froth moving through the launder of a spontaneous flotation vessel |
Jun. 2, 1992 |
|
|
|
