Hot water/superheated stem-resistant EVOH barrier films
US5489478A · kind A · utility
11Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1993 |
| Grant date | Feb 6, 1996 |
| Priority date | — |
| Expiry date | Sep 27, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Hot water and superheated steam resistant barrier films, well adopted as packaging materials, e.g., for perishable comestibles, notably foodstuffs, at least in part include at least one layer of a polymer alloy comprising (a) at least one ethylene-vinyl alcohol (EVOH) copolymer, (b) at least one polypropylene and (c) a compatibilizing amount of at least one compatibilizing agent therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.