Ethylene alpha-olefin polymer substituted amine dispersant additives
US5225092A · kind A · utility
18Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1990 |
| Grant date | Jul 6, 1993 |
| Priority date | — |
| Expiry date | Feb 1, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight terminally substituted with amine compounds, which are also useful additives to oleaginous compositions, e.g., as fuel and lubricating oil dispersants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.