Heat seal composition
US4469754A · kind A · utility
24Cited by
14References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1982 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | May 14, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Heat seal compositions and articles including the compositions are disclosed. The compositions exhibit a broad temperature range for making heat seals of variable strengths and are useful as the sole heat seal composition in making flexible packages requiring both permanent and peelable seals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.