Water dispersible films for packaging high water containing formulations
US10047329B2 · kind B2 · utility
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11References
14Claims
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Key dates
| Filing date | Sep 25, 2014 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Dec 12, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/045
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition comprising an ethylene (mem)acrylic acid copolymer and a crosslinking agent is provided. The composition is able to form a film composition, which selectively disintegrates in media with high water content, depending on the ionic strength of the media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.