Multi-layer barrier film
US6329048A · kind A · utility
1Cited by
12References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1994 |
| Grant date | Dec 11, 2001 |
| Priority date | — |
| Expiry date | Apr 28, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A product capable of absorbing unwanted odors and unpleasant flavors, is sealed from said odors and flavors by being sealingly overwrapped with a film comprising an oriented film of a blend of polypropylene and a polymerized polyterpene selected from the group consisting of polymerized d-limonene, polymerized beta-pinene, polymerized synthetic approximation of d-limonene and beta-pinene and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.