Packaging laminate
US4214029A · kind A · utility
8Cited by
10References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 30, 1978 |
| Grant date | Jul 22, 1980 |
| Priority date | — |
| Expiry date | Oct 30, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2817
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A unitary packaging laminate comprising a foil substrate, a polypropylene outer layer, an intermediate layer of polyethylene or ethylene-acrylic acid copolymer located between and adhered to said substrate and said outer layer, a printed adhesive pattern of low temperature heat sealable material on the exterior surface of said outer layer, and a coating of low temperature heat sealable material on the inner surface of said substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.