Hydrocarbon oils with improved pour points
US4726811A · kind A · utility
5Cited by
9References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 24, 1986 |
| Grant date | Feb 23, 1988 |
| Priority date | — |
| Expiry date | Feb 24, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F210/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Hydrocarbon oils containing, as a pour point depressant, a terpolymer of a vinyl ester having a total of 4 to 8 carbon atoms, vinyl alcohol and ethylene, the copolymer having a weight average molecular weight of about 1,000 to 100,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.