Invention Grant
- Patent Title: Water-soluble film and package
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Application No.: US17360055Application Date: 2021-06-28
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Publication No.: US12291613B2Publication Date: 2025-05-06
- Inventor: Minoru Okamoto , Sayaka Shimizu , Osamu Kazeto , Mitsunori Asada
- Applicant: KURARAY CO., LTD.
- Applicant Address: JP Okayama
- Assignee: KURARAY CO., LTD.
- Current Assignee: KURARAY CO., LTD.
- Current Assignee Address: JP Okayama
- Agency: Morgan, Lewis & Bockius LLP
- Priority: JP2018-248291 20181228
- Main IPC: C08J5/18
- IPC: C08J5/18 ; B65D65/46 ; C08K5/053

Abstract:
A water-soluble film is provided that is excellent in film transparency and water solubility and inhibits sticking between the films. A water-soluble film includes a polyvinyl alcohol resin, wherein a crystallite size obtained from an X-ray profile obtained by wide-angle X-ray measurement is from 4.0 to 5.5 nm and a degree of crystallization obtained from the X-ray profile is from 10.0% to 25.0%, and an external haze is from 7.0% to 30.0%.
Public/Granted literature
- US20210324162A1 WATER-SOLUBLE FILM AND PACKAGE Public/Granted day:2021-10-21
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