Polytrimethylene ether ester elastomer flexible films
US7422795B2 · kind B2 · utility
0Cited by
21References
13Claims
0Family size
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Key dates
| Filing date | Jun 21, 2004 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Jun 21, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Polytrimethylene ether ester elastomer flexible films are provided. The films have desirable physical properties, including tenacity, that enable their use in making robust packaging from relatively thin films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.