Monolayer film having recycle EVOH
US11649342B2 · kind B2 · utility
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2References
6Claims
0Family size
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Key dates
| Filing date | Sep 12, 2019 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Feb 22, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A monolayer film is provided which contains ethylene vinyl alcohol copolymer (EVOH), contamination from dirt and a compatibilizer, that can be used for producing trash bags and the like, as well as a method to successfully recycle fumigation films containing EVOH and contamination from dirt into such a monolayer film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.