Additive compositions
US8530397B2 · kind B2 · utility
9Cited by
5References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 12, 2007 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Oct 17, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions in the form of lubricating oil compositions, greases, fuels or functional fluids containing, in the form of Michael adducts, N-substituted phenylenediamine additives in which at least one of the substituents on the N atoms carries a carbonyl group that is connected to an alkyl, alkoxyalkyl, or alkylthioalkyl group either directly or via an oxygen atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.