Additive useful in oleaginous compositions
US4157243A · kind A · utility
4Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1978 |
| Grant date | Jun 5, 1979 |
| Priority date | — |
| Expiry date | Jun 19, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M133/48
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Oxazoline reaction products of hydrocarbon substituted dicarboxylic acid, ester, or anhydride, for example octadecenylsuccinic anhydride, with 2,2-disubstituted-2-amino-1-alkanols, such as tris-hydroxymethylaminomethane (THAM), and their derivatives are useful additives in oleaginous compositions, such as sludge dispersants for lubricating oil, or anti-rust agents for gasoline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.