Films having enhanced sealing characteristics and packages containing same
US6682825B1 · kind B1 · utility
41Cited by
20References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1994 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | Aug 9, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Films containing a sealant layer composition comprising:(1) polyethylene homopolymer, and ethylene/alpha-olefin copolymer, ethylene vinyl acetate copolymer, and ethylene/acrylate copolymer; and(2) elastomer, plastomer, ionomer, and carboxyl-modified polyethylene;when sealed to another outer film layer comprising at least one member selected from the group consisting of ionomer, ethylene/acid copolymer, ethylene/vinyl acetate copolymer and ethylene/acrylate copolymer, have been discovered to provide a seal strength comparable to an ionomer to ionomer seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.