Methods for providing steel-on-steel friction and/or steel-on-paper friction with lubricant compositions for power transmitting fluids
US9267093B2 · kind B2 · utility
1Cited by
120References
20Claims
0Family size
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Inventors
Key dates
| Filing date | May 21, 2010 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | May 21, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An additive composition may comprise at least one phosphorus- and boron-containing dispersant, at least one boron-containing dispersant, and at least one detergent. Such composition may be useful in power transmissions to provide improved anti-shudder performance and/or improved friction durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.