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Title:
BIAXIALLY-ORIENTED POLYESTER FILM, LAMINATE, AND PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2024/024130
Kind Code:
A1
Abstract:
This biaxially-oriented polyester film contains a chemically-recycled polyester. With regard to a molecular weight distribution curve obtained by gel permeation chromatography for the biaxially-oriented polyester film, the area ratio of a region having a molecular weight of not more than 1000 is 1.9% to 5.5% of the total peak area.

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Inventors:
GOTO TAKAMICHI (JP)
MANABE NOBUYUKI (JP)
Application Number:
PCT/JP2023/002858
Publication Date:
February 01, 2024
Filing Date:
January 30, 2023
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
C08J5/18; B29B17/00; B32B27/36; B65D65/40
Domestic Patent References:
WO2022049998A12022-03-10
Foreign References:
JP2014065282A2014-04-17
JP6984718B12021-12-22
JP2006241349A2006-09-14
JPH08198959A1996-08-06
JP2000103023A2000-04-11
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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