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Title:
NANOFIBER SHEET, METHOD FOR USING SAME, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/132249
Kind Code:
A1
Abstract:
This nanofiber sheet has a nanofiber layer that comprises an accumulation of nanofibers. The nanofiber sheet has a plurality of film-like regions that extend between the nanofibers. The film-like regions of the nanofiber sheet include a water-insoluble polymer and a pigment. The water-insoluble polymer included in the film-like region of the nanofiber sheet is different from constituent materials of the nanofibers. It is preferable that: there be included a plurality of film-like aggregate regions which are aggregates of a plurality of the film-like regions adjacent via fibers; and that non-film-like regions be provided between adjacent film-like aggregate regions.

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Inventors:
IKEYAMA SUGURU (JP)
AMARI NAOMI (JP)
SUZUKI HIROYA (JP)
TOJO TAKEHIKO (JP)
FUKUDA TERUYUKI (JP)
Application Number:
PCT/JP2020/047982
Publication Date:
July 01, 2021
Filing Date:
December 22, 2020
Export Citation:
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Assignee:
KAO CORP (JP)
International Classes:
D04H1/728; A61K8/02; A61K8/72; A61Q1/00
Domestic Patent References:
WO2019009002A12019-01-10
Foreign References:
JP2019167640A2019-10-03
JP2013136550A2013-07-11
JP2014073984A2014-04-24
US20130142852A12013-06-06
JP2019231573A2019-12-23
Other References:
See also references of EP 4083292A4
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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