Laminate with heat-sealable polyester foil and package
US4322003A · kind A · utility
29Cited by
0References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 26, 1980 |
| Grant date | Mar 30, 1982 |
| Priority date | — |
| Expiry date | Mar 26, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An improved flexible package for use in packaging acids, oxidants and the like is constructed with a laminate comprising, at least, an amorphous polyester ply and a metal foil ply. The package is characterized by a superior combination of excellent stability in heatsealing operations over a wide range of conditions and extraordinary chemical resistance to oxidants and acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.