Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants
US4454059A · kind A · utility
101Cited by
40References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1981 |
| Grant date | Jun 12, 1984 |
| Priority date | — |
| Expiry date | Apr 16, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions useful as lubricant and fuel dispersants are prepared by reacting an intermediate (A) of the formulae ##STR1## wherein each R is hydrogen or a lower hydrocarbon-based group, Ar is an aromatic moiety having at least one aliphatic substituent of at least 6 carbon atoms and x is 1 to about 10, with an amino compound (B) which contains one or more amino groups having hydrogen bonded directly to an amino nitrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.