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Class Information
Number: 208/433
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. > Simultaneous treatment with gaseous additive and liquid solvent
Description: Subject matter wherein a normally liquid solvent and a normally gaseous additive come into direct contact with the feed or intermediate material in a single zone.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6709573 |
Process for the recovery of hydrocarbon fractions from hydrocarbonaceous solids |
Mar. 23, 2004 |
| 6156946 |
Biological activation of aromatics for chemical processing and/or upgrading of aromatic compounds, petroleum, coal, resid, bitumen and other petrochemical streams |
Dec. 5, 2000 |
| 5856600 |
Production process of depolymerized natural rubber |
Jan. 5, 1999 |
| 5611915 |
Process for removal of heteroatoms under reducing conditions in supercritical water |
Mar. 18, 1997 |
| 5445659 |
Partial oxidation of products of liquefaction of plastic materials |
Aug. 29, 1995 |
| 5336395 |
Liquefaction of coal with aqueous carbon monoxide pretreatment |
Aug. 9, 1994 |
| 5269910 |
Method of coil liquefaction by hydrogenation |
Dec. 14, 1993 |
| 5264118 |
Pipeline conditioning process for mined oil-sand |
Nov. 23, 1993 |
| 5240592 |
Method for refining coal utilizing short residence time hydrocracking with selective condensation to produce a slate of value-added co-products |
Aug. 31, 1993 |
| 5200063 |
Coal hydroconversion process comprising solvent enhanced pretreatment with carbon monoxide |
Apr. 6, 1993 |
| 5198103 |
Method for increasing liquid yields from short residence time hydropyrolysis processes |
Mar. 30, 1993 |
| 5132007 |
Co-generation system for co-producing clean, coal-based fuels and electricity |
Jul. 21, 1992 |
| 5128017 |
Single-step coal liquefaction process |
Jul. 7, 1992 |
| 5110452 |
Method of refining coal by catalyzed short residence time hydrodisproportionation to form a novel coal-derived fuel system |
May. 5, 1992 |
| 5110450 |
Coal extract hydroconversion process comprising solvent enhanced carbon monoxide pretreatment |
May. 5, 1992 |
| 5071540 |
Coal hydroconversion process comprising solvent extraction and combined hydroconversion and upgrading |
Dec. 10, 1991 |
| 5021148 |
Method of refining coal by short residence time partial liquefaction to produce petroleum substitutes and chemical feedstocks |
Jun. 4, 1991 |
| 5017282 |
Single-step coal liquefaction process |
May. 21, 1991 |
| 4971683 |
Method of refining coal by short residence time hydrodisproportionation to co-produce coal-based petroleum substitutes and methanol |
Nov. 20, 1990 |
| 4968414 |
Process for single-step coal liquefaction |
Nov. 6, 1990 |
| 4938782 |
Method of refining coal by short residence time hydrodisproportionation to form a novel coal derived fuel system |
Jul. 3, 1990 |
| 4871443 |
Novel method for extraction of salts from coal tar and pitches |
Oct. 3, 1989 |
| 4842615 |
Utilization of low rank and waste coals in transportable fluidic fuel systems |
Jun. 27, 1989 |
| 4832831 |
Method of refining coal by hydrodisproportionation |
May. 23, 1989 |
| 4806228 |
Process for producing pitch raw materials |
Feb. 21, 1989 |
| 4798668 |
Extraction of hydrocarbon-containing solids |
Jan. 17, 1989 |
| 4764270 |
Simultaneous upgrading of tar sand bitumen and coal by corefining |
Aug. 16, 1988 |
| 4756818 |
A method for the production of a carbon fiber precursor |
Jul. 12, 1988 |
| 4695373 |
Extraction of hydrocarbon-containing solids |
Sep. 22, 1987 |
| 4689139 |
Process for the hydrogenation of coal |
Aug. 25, 1987 |
| 4687569 |
Steam stripping process for solids separation in oil shale processing |
Aug. 18, 1987 |
| 4687570 |
Direct use of methane in coal liquefaction |
Aug. 18, 1987 |
| 4610777 |
Coal liquefaction with Mn nodules |
Sep. 9, 1986 |
| 4594141 |
Conversion of high boiling organic materials to low boiling materials |
Jun. 10, 1986 |
| 4589488 |
Method for recovery of mineral resources |
May. 20, 1986 |
| RE32120 |
Hydrotreating supercritical solvent extracts in the presence of alkane extractants |
Apr. 22, 1986 |
| 4566964 |
Method of recovering hydrocarbon from oil shale |
Jan. 28, 1986 |
| 4539095 |
Aqueous alkali depolymerization of coal with a quinone |
Sep. 3, 1985 |
| 4514279 |
Solid hydrocarbon liquefaction with a catalyst having chromium and molybdenum |
Apr. 30, 1985 |
| 4493761 |
Catalytic hydroliquefaction using a Cr-Mo-Group VIII catalyst |
Jan. 15, 1985 |
| 4491511 |
Two-stage coal liquefaction process |
Jan. 1, 1985 |
| 4490213 |
Coal conversion processes |
Dec. 25, 1984 |
| 4486293 |
Catalytic coal hydroliquefaction process |
Dec. 4, 1984 |
| 4485003 |
Supercritical extraction and simultaneous catalytic hydrogenation of coal |
Nov. 27, 1984 |
| 4451351 |
Method of liquefaction of carbonaceous materials |
May. 29, 1984 |
| 4441983 |
Zinc sulfide liquefaction catalyst |
Apr. 10, 1984 |
| 4437973 |
Coal hydrogenation process with direct coal feed and improved residuum conversion |
Mar. 20, 1984 |
| 4431510 |
Process for producing hydrogen-enriched hydrocarbonaceous products from coal |
Feb. 14, 1984 |
| 4428821 |
Oil shale extraction process |
Jan. 31, 1984 |
| 4425219 |
Method for the production of liquid carbon compounds from coal |
Jan. 10, 1984 |
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