Multi-layer web of film having a gas barrier
US5098202A · kind A · utility
26Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 11, 1989 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | May 11, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A web of film capable of being constructed into a flexible container is provided. The web of film comprises: a first layer of polyester; a second layer of polyvinyl chloride that does not include a DEHP plasticizer or epoxidized oil; a third gas barrier layer; a fourth layer of polyvinyl chloride that does not include a plasticizer; and a fifth layer of polyester. A container made from the film is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.