Hindered phenolic N-(amido)imides
US5068356A · kind A · utility
15Cited by
11References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 20, 1990 |
| Grant date | Nov 26, 1991 |
| Priority date | — |
| Expiry date | Feb 20, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3412
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Phenolic N-(amido) imides are provided which are useful as antioxidant stabilizers for organic materials, including a large variety of synthetic polymers, typically subject to thermooxidative degradation. The antioxidant effectiveness of the phenolic N-(amido)imide stabilizers is enhanced by the deactivating potential of the amido-imide moiety towards metals or metal ions that frequently contaminate polymer compositions and serve to catalyze thermal degradation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.