Oil soluble dispersant additives useful in oleaginous compositions
US5085788A · kind A · utility
20Cited by
37References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1990 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | Jul 27, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An oil soluble dispersant comprising the reaction products of: PA1 (1) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxylic acids or their anhydrides, (ii) long chain hydrocarbon having a polyamine attached directly thereto, and (iii) Mannich condensation product formed by condensing a long chain hydrocarbyl substituted hydroxy aromatic compound with an aldehyde and a polyalkylene polyamine, said adduct containing at least one reactive group selected from reactive amino groups and reactive hydroxyl groups; and PA1 (2) at least one polyepoxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.