Lubricating composition with seals compatibility
US10196580B2 · kind B2 · utility
1Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2015 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Oct 24, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The disclosed technology relates to a lubricating composition additives that prevent or reduce seals degradation, especially in the presence of basic amine compounds which impart basicity (measured as total base number or TBN) to the lubricating composition. The lubricating composition contains (a) an oil of lubricating viscosity, (b) a basic amine compound, and (c) a 1,3-dioxane-4,6-dione compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.