Novel dispersant viscosity index improver compositions
US5030370A · kind A · utility
10Cited by
19References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1990 |
| Grant date | Jul 9, 1991 |
| Priority date | — |
| Expiry date | Mar 8, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2217/026
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The novel compositions of the present invention comprise (A) lubricating oil and (B) at least one amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups). Preferred amino-substituted interpolymers comprise amino-substituted ethylene propylene norbornene terpolymers. The polymers of this invention are oil soluble and are useful as viscosity index improver dispersants in oleaginous compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.