Diaromatic amine derivatives as antioxidants
US7838703B2 · kind B2 · utility
5Cited by
14References
18Claims
0Family size
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Key dates
| Filing date | Nov 16, 2007 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Apr 15, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A diaromatic amine compound having the general formula:wherein R1 and R2 together with the carbon atoms to which they are bonded are joined together to form a C3-C30 ring, and R3 is an allyl, benzyl, or methallyl group. R4, R5, and R6 are independently hydrogen, C1-C30 alkyl group, C2-C30 alkenyl group, C3-C12 cycloalkyl group, C5-C25 aryl group, C6-C25 arylalkyl group, or C1-C30 alkoxy group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.