Polyolefinic succinimide polyamine alkyl acetoacetate and substituted acetate adducts as compatibilizer additives in lubricating oil compositions
US4839073A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1987 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | May 18, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention is to compatibility aids containing polyolefinic succinimide polyamide alkyl acetoacetate or trialkyl acetic anhydride adducts of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are the same or different and are moities of the formula: ##STR2## Z.sup.2 is a moiety of the formula: ##STR3## wherein R.sup.2, R.sup.3 and R.sup.4 are the same or different and are alkylene of from 1 to 6 carbon atoms, m is an integer of from 1 to 5, each A' is independently selected from the group consisting of H, A and the moiety: ##STR4## wherein A" is H or A, R.sup.3 is as defined above, R.sup.6 is alkylene of from 1 to 6 carbon atoms, T.sup.1 and T.sup.2 are the same or different and each comprises a member selected from the group consisting of moieties of the formula: ##STR5## wherein B' is substituted or unsubstituted alkyl or aryl-containing group, n.sup.1 is an integer of 0 to 10, n.sup.2 is an integer of 0 to 10, n.sup.3 is an integer of from 0 to 10, n.sup.4 is an integer of from 0 to 10, with the proviso that the sum of n.sup.1, n.sup.2, n.sup.3 and n.sup.4 is from 3 to 10 and the sum of n.sup.1, n.sup.3 and n.sup.4 is at least 1, wherein R.sup.1 and R.sup.5 are indepe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.