Patent · US Active

Additives for transmission oils

US9120076B2 · kind B2 · utility

3Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 20, 2010
Grant dateSep 1, 2015
Priority date
Expiry dateSep 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.