Oxalic acid bis-amides or amide-ester as friction modifiers in lubricants
US8691740B2 · kind B2 · utility
2Cited by
16References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2010 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Aug 30, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition is provided suitable for use as a friction modifier for an automatic transmission, comprising an N-substituted oxalic acid bisamide or amide-ester containing at least two hydrocarbyl groups of 12 to 22 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.