Lubricating compositions containing boronated nitrogen-containing dispersants
US4426305A · kind A · utility
74Cited by
11References
7Claims
0Family size
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Inventor
Key dates
| Filing date | Jun 1, 1983 |
| Grant date | Jan 17, 1984 |
| Priority date | — |
| Expiry date | Jun 1, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Lubricating oil dispersancy is synergistically improved by use of a combination of (a) a boronated hydrocarbon-substituted succinic amide/imide/ester of an oxyalkylated amine and (b) a Mannich condensation product of a hydrocarbon-substituted phenol, formaldehyde, and amine, and optionally, a fatty acid and or a boronating agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.