Olefin polymer pour point depressants
US5188724A · kind A · utility
32Cited by
17References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1991 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Feb 6, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2020/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pour point depressant for lubricating oils comprises an olefin copolymer which contains alkyl side chains having carbon atoms, wherein the average side chain length in the copolymer is 10.5 to 12.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.