Substituted diarylamines and use of same as antioxidants
US9738606B2 · kind B2 · utility
1Cited by
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16Claims
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Key dates
| Filing date | Jun 4, 2012 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Dec 3, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of Formula I, Formula IA, Formula IB, or Formula II, or an acid or base addition salt thereof, and use of these compounds as antioxidants.In one embodiment, a compound of Formula II,wherein each of X, Y, and Z are independently a carbon or nitrogen atom; R1 and R2 are each independently a hydrogen or an electron donating group, but are not both hydrogen, and wherein R1, and R2 are each bonded to a carbon atom in their own respective aryl ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.