Oil additives and compositions
US6638325B1 · kind B1 · utility
5Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1994 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Dec 21, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2020/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions comprising (a) an ethylene-mixed unsaturated ester copolymer or (b) two or more ethylene-unsaturated ester copolymers differing, for example, in their ester chains improve the low temperature properties of fuel oils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.