Oxygen barrier laminate films including a polyalkylene carbonate adhesive
US4142021A · kind A · utility
13Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1977 |
| Grant date | Feb 27, 1979 |
| Priority date | — |
| Expiry date | Jun 1, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31895
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Laminate structures having excellent barrier properties to moisture and oxygen vapor transmission comprising a base layer and an adhesive barrier layer of a polyalkylene carbonate, typically of the type formed by reacting an epoxide with carbon dioxide, are shown.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.