Multilayer film, method of making the same and containers formed from the same
US10899114B2 · kind B2 · utility
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21References
20Claims
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Key dates
| Filing date | May 5, 2017 |
| Grant date | Jan 26, 2021 |
| Priority date | — |
| Expiry date | Jan 9, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31551
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A RF weldable film is provided. The film has outer layer including a PVDF copolymer or an alpha-olefin polymer and backing layer including a TPU copolymer. The film may have a gas barrier layer attached to the backing layer. The backing layer may include an EVOH copolymer. A method of making such a film is also provided. Containers made from such film are further provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.