Container and composition for enhanced gas barrier properties
US7820258B2 · kind B2 · utility
1Cited by
40References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2006 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Jul 10, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A container comprising a polyester composition with enhanced carbon dioxide and oxygen barrier properties is provided. The polyester composition comprises a polyester and a purine derivative. In a particular embodiment, the purine derivative comprises a purine dione, such as caffeine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.