Polyolefin films containing grafted quinones and structures comprising same
US6756130B1 · kind B1 · utility
1Cited by
1References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 2002 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Sep 10, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
The invention concerns a film comprising ethylene copolymers and an unsaturated epoxide and comprising quinones grafted on said copolymers. The invention also concerns a structure comprising at least an oxygen-barrier film and at least said oxygen-absorber film. The invention further concerns a packaging element comprising said structure wherein, starting from inside and moving outwards, there is first the oxygen-absorber-film followed by the barrier film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.