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Title:
HEAT SEAL PAPER
Document Type and Number:
WIPO Patent Application WO/2024/043200
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a heat seal paper that contains PHBH and has excellent heat seal strength. The solution is to provide a heat seal paper comprising a heat seal coating layer containing poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH) and an adhesive that are disposed on at least one surface of a paper substrate, where the heat-seal coating layer is a semi-permeating film.

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Inventors:
KIRA NOZOMI (JP)
YOSHIDA YOSHIO (JP)
TSUNODA HIROSUKE (JP)
FUJITA MASAYUKI (JP)
KUSAKABE ITSUKI (JP)
OKADA YASUNORI (JP)
Application Number:
PCT/JP2023/029915
Publication Date:
February 29, 2024
Filing Date:
August 21, 2023
Export Citation:
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Assignee:
JUJO PAPER CO LTD (JP)
KANEKA CORP (JP)
International Classes:
D21H19/28; B32B29/00
Domestic Patent References:
WO2021075412A12021-04-22
WO2021256381A12021-12-23
WO2019107025A12019-06-06
Foreign References:
JP2019515789A2019-06-13
JP2003535996A2003-12-02
JPH10128920A1998-05-19
JPS51111277A1976-10-01
Attorney, Agent or Firm:
OCHANOMIZU INTERNATIONAL PATENT OFFICE (JP)
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