Alkyl phosphate amine salts for use in lubricants
US11168278B2 · kind B2 · utility
0Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2017 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Jul 18, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant composition comprising an oil of lubricating viscosity and about 0.01 to about 5 percent by weight of a (thio)phosphoric acid salt (“phos-amine salt”) of at least one hydrocarbyl amine. The hydrocarbyl amine may be a hindered hydrocarbyl amine, an aromatic hydrocarbyl amine, or a combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.