Lubricating compositions having improved friction properties
US8349778B2 · kind B2 · utility
2Cited by
28References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2007 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Mar 3, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides an additive composition comprising (a) at least one ash-containing phosphorus compound prepared by a primary or secondary alcohol or mixtures thereof, and (b) a salt of at least one hydrocarbylamine and at least one hydrocarbyl acid phosphate. Further, the present invention provides a lubricating composition comprising (a) at least one ash-containing phosphorus compound prepared by a primary or secondary alcohol or mixtures thereof, and (b) a salt of at least one hydrocarbylamine and at least one hydrocarbyl acid phosphate, and methods of use thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.