Lubricant additive
US4204968A · kind A · utility
6Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1978 |
| Grant date | May 27, 1980 |
| Priority date | — |
| Expiry date | Aug 11, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/046
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a lubricant additive comprising a mixture of minute spherical copper and lead particles suspended in various lubricant bases depending upon its intended use. The minute spherical metal particles are presented to friction surfaces where they reduce friction by functioning as tiny ball bearings and platelets. In addition on the application of heat and pressure, the metal particles, particularly the copper particles, will plate on high wear areas where base metal has been removed by wear. The additive has been found to substantially reduce friction and wear between relatively moving parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.