Polyalkylene glycol lubricant composition
US8357644B2 · kind B2 · utility
5Cited by
20References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2009 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | Jul 25, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant composition useful for automotive engines, comprising: (A) at least one polyalkylene glycol suitable for use as a lubricant in an automotive engine, (B) an additive package which comprises an acid scavenger, wherein the acid scavenger is an aspartic acid ester, aspartic acid amide, a Group V aspartic acid salt, or a combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.