Polymeric antioxidants
US7507454B2 · kind B2 · utility
9Cited by
47References
10Claims
0Family size
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Key dates
| Filing date | Feb 27, 2007 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | Dec 6, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Antioxidant polymers of the present invention comprise repeat units that include one or both of Structural Formulas (I) and (II):wherein:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.