Stabilizers for oil slurries of carbonaceous material
US4492590A · kind A · utility
8Cited by
2References
18Claims
0Family size
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Key dates
| Filing date | Dec 6, 1982 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Dec 6, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/07
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Slurries of carbonaceous material in oil, particularly coal, are stabilized with particular tertiary amines. An example is tallow amine first condensed with two moles of propylene oxide and then condensed with thirteen moles of ethylene oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.