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Title:
WATER-SOLUBLE FILM AND DRUG PACKAGING BODY
Document Type and Number:
WIPO Patent Application WO/2018/123894
Kind Code:
A1
Abstract:
Provided is a water-soluble film that, in addition to having excellent mechanical properties such as high tensile strength and high tensile elongation, does not bleed out prior to packaging body formation and contains a polyvinyl alcohol-based resin (A) and a plasticizer (B). The plasticizer (B) contains: a polyhydric alcohol (b1) having a melting point greater than 50°C and no more than 100°C; a polyhydric alcohol (b2) having a melting point of no more than 50°C; and a polyhydric alcohol (b3) having a melting point greater than 100°C.

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Inventors:
HIURA TAKAHIRO (JP)
Application Number:
PCT/JP2017/046200
Publication Date:
July 05, 2018
Filing Date:
December 22, 2017
Export Citation:
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Assignee:
NIPPON SYNTHETIC CHEM IND CO LTD (JP)
International Classes:
C08L29/04; B65D65/46; C08K5/053
Domestic Patent References:
WO2016061026A12016-04-21
Foreign References:
JP2008517108A2008-05-22
JP2008516016A2008-05-15
JP2009545658A2009-12-24
JP2002241797A2002-08-28
JP2013518173A2013-05-20
JP2001329130A2001-11-27
JP2004161823A2004-06-10
Other References:
See also references of EP 3564306A4
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (JP)
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