Compatible mixtures of coal liquids and petroleum based fuels
US4178226A · kind A · utility
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8References
5Claims
0Family size
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Key dates
| Filing date | Apr 15, 1977 |
| Grant date | Dec 11, 1979 |
| Priority date | — |
| Expiry date | Apr 15, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Enhanced compatibility of coal liquids with petroleum based fuels is achieved by removing or modifying the 950.degree. F. plus asphaltene-containing fraction of the coal liquid. The separation or modification can be achieved by distillation, deasphalting, hydroprocessing, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.