Oxygen barrier copolymer
US6818151B2 · kind B2 · utility
23Cited by
42References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2001 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Jan 1, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1383
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Oxygen barrier copolymers and methods of making the same are disclosed. The oxygen barrier copolymers comprise repeating units derived from vinylidene chloride and oxygen scavenging repeating units. The oxygen scavenging repeating units can comprise oxygen scavenging moieties that are cycloalkenyl. Oxygen barrier compositions, methods of preparing oxygen barrier compositions, and packaging articles comprising oxygen barrier copolymer are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.