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Class Information
Number: 208/404
Name: Mineral oils: processes and products > By treatment of solid mineral, e.g., coal liquefaction, etc. > Using molten additive, e.g., heat carrier, etc.
Description: Subject matter having a step wherein a heated liquid material is added to a feedstock, an intermediate or a product of the process, which material is a solid at normal temperature and pressure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6258988 |
Method for reforming organics into shorter-chain unsaturated organic compounds |
Jul. 10, 2001 |
| 5458659 |
Desulfurization of carbonaceous fuels |
Oct. 17, 1995 |
| 5085764 |
Process for upgrading coal |
Feb. 4, 1992 |
| 5061363 |
Method for co-processing waste rubber and carbonaceous material |
Oct. 29, 1991 |
| 5059307 |
Process for upgrading coal |
Oct. 22, 1991 |
| 4545891 |
Extraction and upgrading of fossil fuels using fused caustic and acid solutions |
Oct. 8, 1985 |
| 4495054 |
Method of operating a blast furnace to extract carbonaceous oil and gas from bituminous materials |
Jan. 22, 1985 |
| 4437974 |
Coal liquefaction process |
Mar. 20, 1984 |
| 4427527 |
Coal hydrogenation in a liquid metallic medium |
Jan. 24, 1984 |
| 4421631 |
Hydrocarbon treatment process |
Dec. 20, 1983 |
| 4357231 |
Method for extracting hydrocarbons from oil shale |
Nov. 2, 1982 |
| 4345990 |
Method for recovering oil and/or gas from carbonaceous materials |
Aug. 24, 1982 |
| 4191628 |
Process for removal of mineral particulates from coal-derived liquids |
Mar. 4, 1980 |
| 4161442 |
Processing of tar sands |
Jul. 17, 1979 |
| 4092236 |
Molten salt hydroconversion process |
May. 30, 1978 |
| 3977960 |
Hydrocarbon recovery system |
Aug. 31, 1976 |
| 3966583 |
Coal treatment process and apparatus |
Jun. 29, 1976 |
| 3966582 |
Solubilization and reaction of coal and like carbonaceous feedstocks to hydrocarbons and apparatus therefor |
Jun. 29, 1976 |
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