Stabilized polyolefin compositions
US4279809A · kind A · utility
2Cited by
8References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1976 |
| Grant date | Jul 21, 1981 |
| Priority date | — |
| Expiry date | Jul 14, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyolefin resins are rendered stable against degradation caused by exposure to heat and oxygen in the presence of copper by the incorporation of a novel polymeric stabilizer functioning dually as an antioxidant and a chelating agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.