Film tear-tape and packaging film having tear-tape adherent thereto
US4337284A · kind A · utility
16Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1980 |
| Grant date | Jun 29, 1982 |
| Priority date | — |
| Expiry date | Jan 28, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A tear-tape for attachment to a polymeric packaging film comprises a thermoplastic polymeric substrate having on a surface thereof a layer of a sealing resin comprising a blend of an ethylene-vinyl acetate copolymer and a plasticizer therefor. Bonding between the tear-tape and a polymeric packaging film substrate is enhanced by the presence of the plasticizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.