Water-soluble film and manufacturing method therefor
US12116193B2 · kind B2 · utility
0Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2016 |
| Grant date | Oct 15, 2024 |
| Priority date | — |
| Expiry date | Jul 29, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a water-soluble film having high solubility in cold water and high extensibility. The present invention also provides a method for simply producing such a water-soluble film. One aspect of the present invention relates to a water-soluble film including a polyamine backbone-containing compound and a water-soluble resin. Another aspect of the present invention relates to a method for producing a water-soluble film containing a polyamine backbone-containing compound and a water-soluble resin including mixing the polyamine backbone-containing compound and the water-soluble resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.