Propylene based retortable sealant compositions and applications
US7201968B2 · kind B2 · utility
0Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2004 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Apr 6, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a retortable sealant composition comprising i) at least a copolymer of propylene and α-olefins, and ii) at least a copolymer of ethylene and alkyl acrylate, wherein the alkyl acrylate is present in an amount ranging from about 1 to less than 9 weight percent, relative to the weight of the sealant composition. It also relates to a retortable multilayer film or a retortable packaging comprising a sealant layer comprising such a composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.