Additives for transmission oils
US9120076B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2010 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Sep 12, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The subject of the disclosure concerns microcapsules including a core containing one or more alkali metal borates, optionally hydrated, dispersed in one or more lubricating base oils of mineral, synthetic or natural origin, and a polymer shell. Another subject of the disclosure is a lubricating oil including microcapsules. A further subject of the disclosure is the use of microcapsules according to the disclosure as anti-wear and/or extreme pressure additive for lubricant compositions. A further subject of the disclosure is a method for preparing microcapsules by interface polymerization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.