Alkylated alkoxydiarylamine antioxidants
US10808197B2 · kind B2 · utility
1Cited by
12References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 13, 2017 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Sep 27, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Alkylated diaryl amines further substituted by an alkoxy group on one or more aryl carbon atoms exhibit excellent antioxidant activity in lubricant compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.