Lubricating composition containing lewis acid reaction product
US9868919B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2014 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Mar 5, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a lubricating composition comprising: an oil of lubricating viscosity and a reaction product of a monovalent to tetravalent inorganic Lewis acid and a hydroxyl terminated polyether (or glycol), wherein the mole ratio of hydroxyl terminated polyether (or glycol) to Lewis acid is 1:1 or greater. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.