DERMATOLOGICAL TOPICAL AGENT COMPOSITION CONTAINING USEFUL COMPONENT-INCLUDING TAURINE CRYSTALS

WIPO Patent Application WO/2023/210059

A1

Provided is a new means for delivering a useful component into the skin.　This dermatological topical agent composition is characterized by containing a fine acicular crystals of taurine including a useful component in the crystals. According to the present invention, a method for producing fine acicular crystals of taurine including a useful component in the crystals is characterized by comprising a step for growing crystals in an environment in which an aqueous solution (A) in which taurine is dissolved is mixed with or brought into contact with a liquid substance (B) having a low solubility to taurine, and is characterized in that the useful component is dissolved or dispersed in the aqueous solution (A) or the liquid substance (B), and therefore, the useful component becomes included in the crystals as the crystals grow.

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MURAYAMA TOMOHIRO (JP)
TANAKA HIROSHI (JP)
HASEGAWA JUNYA (JP)
QUAN YING-SHU (JP)
KAMIYAMA FUMIO (JP)

PCT/JP2022/047061

November 02, 2023

December 21, 2022

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COSMED PHARMACEUTICAL CO LTD (JP)

A61K45/00; A61K8/35; A61K8/46; A61K8/64; A61K8/67; A61K31/185; A61P17/16; A61P43/00; A61Q19/00

WO2013054809A1	2013-04-18
WO2021043627A1	2021-03-11

JP2016172725A	2016-09-29
CN103848763A	2014-06-11
JP2005325080A	2005-11-24
JP2021172652A	2021-11-01
JP2021063060A	2021-04-22
JP2005232026A	2005-09-02
JPH06192209A	1994-07-12
JPH0717943A	1995-01-20
JP2005325080A	2005-11-24
JP2004500392A	2004-01-08
JP2002536391A	2002-10-29

OSAKA FRONT (JP)

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