Stabilized polyolefin compositions
US4374230A · kind A · utility
0Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1979 |
| Grant date | Feb 15, 1983 |
| Priority date | — |
| Expiry date | Mar 28, 1999 |
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.