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Class Information
Number: 208/421
Name: Mineral oils: processes and products > By treatment of solid mineral, e.g., coal liquefaction, etc. > Using specifically added catalyst during hydrogenation > Containing group vi transition metal
Description: Subject matter in which the catalyst contains one or more of chromium, molybdenum or tungsten in free or combined form.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7449103 |
Ebullated bed hydroprocessing methods and systems and methods of upgrading an existing ebullated bed system |
Nov. 11, 2008 |
| 5573556 |
Conversion of solid carbonaceous material using polyoxoanions |
Nov. 12, 1996 |
| 5489375 |
Resid hydroprocessing method |
Feb. 6, 1996 |
| 5489376 |
Recovery of hard acids and soft bases from decomposed coal |
Feb. 6, 1996 |
| 5389230 |
Catalytic hydroconversion process |
Feb. 14, 1995 |
| 5338441 |
Liquefaction process |
Aug. 16, 1994 |
| 5294349 |
Coal depolymerization and hydroprocessing |
Mar. 15, 1994 |
| 5246570 |
Coal liquefaction process using soluble molybdenum-containing organophosphorodithioate catalyst |
Sep. 21, 1993 |
| 5200063 |
Coal hydroconversion process comprising solvent enhanced pretreatment with carbon monoxide |
Apr. 6, 1993 |
| 5128017 |
Single-step coal liquefaction process |
Jul. 7, 1992 |
| 5110451 |
Coal extraction process |
May. 5, 1992 |
| 5096569 |
Catalytic hydropyrolysis of carbonaceous material with char recycle |
Mar. 17, 1992 |
| 5071540 |
Coal hydroconversion process comprising solvent extraction and combined hydroconversion and upgrading |
Dec. 10, 1991 |
| 5064527 |
Catalytic process for hydroconversion of carbonaceous materials |
Nov. 12, 1991 |
| 5061363 |
Method for co-processing waste rubber and carbonaceous material |
Oct. 29, 1991 |
| 5055181 |
Hydropyrolysis-gasification of carbonaceous material |
Oct. 8, 1991 |
| 5055174 |
Hydrovisbreaking process for hydrocarbon containing feed streams |
Oct. 8, 1991 |
| 5053376 |
Method of preparing a sulfided molybdenum catalyst concentrate |
Oct. 1, 1991 |
| 5051389 |
Catalyst composition prepared by vapor depositing onto a carbon support |
Sep. 24, 1991 |
| 5017282 |
Single-step coal liquefaction process |
May. 21, 1991 |
| 4968414 |
Process for single-step coal liquefaction |
Nov. 6, 1990 |
| 4879021 |
Hydrogenation of coal and subsequent liquefaction of hydrogenated undissolved coal |
Nov. 7, 1989 |
| 4853111 |
Two-stage co-processing of coal/oil feedstocks |
Aug. 1, 1989 |
| 4842719 |
Catalytic two-stage coal hydrogenation and hydroconversion process |
Jun. 27, 1989 |
| 4824558 |
Coal liquefaction process with metal/iodine cocatalyst |
Apr. 25, 1989 |
| 4793916 |
Coal liquefaction process |
Dec. 27, 1988 |
| 4740295 |
Hydroconversion process using a sulfided molybdenum catalyst concentrate |
Apr. 26, 1988 |
| 4627913 |
Catalytic coal liquefaction with treated solvent and SRC recycle |
Dec. 9, 1986 |
| 4617106 |
Catalysts for coal liquefaction processes |
Oct. 14, 1986 |
| 4595672 |
Method of making self-promoted hydrotreating catalysts |
Jun. 17, 1986 |
| 4578182 |
Catalysts and hydroconversion processes utilizing the same |
Mar. 25, 1986 |
| 4514279 |
Solid hydrocarbon liquefaction with a catalyst having chromium and molybdenum |
Apr. 30, 1985 |
| 4511455 |
Catalysis using hydrous metal oxide ion exchanges |
Apr. 16, 1985 |
| 4493761 |
Catalytic hydroliquefaction using a Cr-Mo-Group VIII catalyst |
Jan. 15, 1985 |
| 4435280 |
Hydrocracking of heavy hydrocarbon oils with high pitch conversion |
Mar. 6, 1984 |
| 4434043 |
Recovery of catalyst from coal liquefaction residues |
Feb. 28, 1984 |
| 4431510 |
Process for producing hydrogen-enriched hydrocarbonaceous products from coal |
Feb. 14, 1984 |
| 4428820 |
Coal liquefaction process with controlled recycle of ethyl acetate-insolubles |
Jan. 31, 1984 |
| 4427532 |
Coking of coal with petroleum residua |
Jan. 24, 1984 |
| 4424111 |
Regeneration of ZnC12 |
Jan. 3, 1984 |
| 4422922 |
Coal liquefaction and hydroprocessing of petroleum oils |
Dec. 27, 1983 |
| 4417972 |
Recovery of coal liquefaction catalysts |
Nov. 29, 1983 |
| 4411767 |
Integrated process for the solvent refining of coal |
Oct. 25, 1983 |
| 4405437 |
Process for coal liquefaction employing a superior coal liquefaction process solvent |
Sep. 20, 1983 |
| 4397736 |
Hydrotreating supercritical solvent extracts in the presence of alkane extractants |
Aug. 9, 1983 |
| 4394248 |
Coal liquefaction process |
Jul. 19, 1983 |
| 4391699 |
Coal liquefaction process |
Jul. 5, 1983 |
| 4383911 |
Process for direct liquefaction of coal |
May. 17, 1983 |
| 4379744 |
Coal liquefaction process |
Apr. 12, 1983 |
| 4376695 |
Simultaneous demetalization and hydrocracking of heavy hydrocarbon oils |
Mar. 15, 1983 |
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