Title:
TRANSDERMAL ABSORPTION-TYPE PATCH
Document Type and Number:
WIPO Patent Application WO/2021/075491
Kind Code:
A1
Abstract:
A transdermal absorption-type patch (10) comprises a support body (1) and an adhesive layer (2) layered on the support body (1). The adhesive layer (2) contains: a solid composite body (2a) in which an active ingredient having a molecular weight of 800 or more is covered with a surfactant; an oil phase; and an acrylic elastomer. The content of the acrylic elastomer is 30 to 70 mass% with respect to the combined mass of the acrylic elastomer and the oil phase. The composite body (2a) constitutes solid-in-oil type particles dispersed in the oil phase.
Inventors:
GOTO MASAHIRO (JP)
KONG SINGLING (JP)
ISHIHAMA KOHEI (JP)
KOZAKA SHUTO (JP)
KONG SINGLING (JP)
ISHIHAMA KOHEI (JP)
KOZAKA SHUTO (JP)
Application Number:
PCT/JP2020/038883
Publication Date:
April 22, 2021
Filing Date:
October 15, 2020
Export Citation:
Assignee:
UNIV KYUSHU NAT UNIV CORP (JP)
International Classes:
A61K39/00; A61K9/10; A61K9/70; A61K38/08; A61K38/12; A61K38/16; A61K38/22; A61K39/395; A61K47/26; A61K47/32; A61K47/44; A61K47/69; A61P5/00; A61P5/02; A61P5/06; A61P15/00; A61P35/00; A61P37/04; C07K7/00; C07K16/00
Domestic Patent References:
| WO2017002865A1 | 2017-01-05 | |||
| WO2006025583A1 | 2006-03-09 |
Foreign References:
| JP2020033293A | 2020-03-05 | |||
| JP2006267244A | 2006-10-05 | |||
| JP2014172840A | 2014-09-22 | |||
| JP2017154989A | 2017-09-07 | |||
| JP2008179561A | 2008-08-07 | |||
| JP2008179561A | 2008-08-07 | |||
| JP2014172840A | 2014-09-22 | |||
| JP2004043355A | 2004-02-12 | |||
| JP2019189199A | 2019-10-31 | |||
| JP2020056321A | 2020-04-09 | |||
| JP2020140563A | 2020-09-03 |
Other References:
See also references of EP 4046650A4
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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