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Title:
MEDICAL PATCH MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/261609
Kind Code:
A1
Abstract:
This medical patch material comprises a laminate of a support and an adhesive layer, wherein the adhesive layer comprises an adhesive composition containing a copolymer in which a (meth)acrylic acid alkyl ester is the main component and a fatty acid ester compatible with the copolymer when the copolymer is liquid at room temperature, the fatty acid ester contained in the adhesive composition has a weight-average molecular weight of 350-550, the adhesive composition contains 5-25 parts by mass of the fatty acid ester with respect to 100 parts by mass of the copolymer, and the support has a moisture permeability of 500 g/m2·24 h or more.

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Inventors:
TSUJI TAIKI (JP)
MIYASHITA TSUBASA (JP)
FUJISAWA HIROMICHI (JP)
Application Number:
PCT/JP2019/049904
Publication Date:
December 30, 2020
Filing Date:
December 19, 2019
Export Citation:
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Assignee:
NICHIBAN KK (JP)
International Classes:
C09J11/06; A61F13/02; A61L15/00; C09J7/38; C09J133/06
Domestic Patent References:
WO2007126067A12007-11-08
Foreign References:
JP2009155306A2009-07-16
JP2002065841A2002-03-05
JP2007296120A2007-11-15
JP2018023784A2018-02-15
JP2005089438A2005-04-07
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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