COMPOSITION FOR NANOEMULSION EMULSIFICATION, BICONTINUOUS MICROEMULSION, COSMETIC, AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2016/147992

A1

Provided is a composition for nanoemulsion emulsification configured from component (A) through component (D), the mass ratios of each of the components satisfying the following conditions. [(A) + (B)]:(C):(D) = 1:4-8:0.4-0.8 Component (A): a copolymer comprising structural units (a1) represented by formula (1) and structural units (a2) represented by formula (2), the molar ratio of constituent units (a1):(a2) being 5:95 to 60:40, and the copolymer having a weight-average molecular weight of 5,000-5,000,000 (in formula (1), R1 indicates a hydrogen atom or methyl group) (in formula (2), R2 indicates a hydrogen atom or methyl group; R3 indicates a C12-24 hydrocarbon group). Component (B): a nonionic surfactant having an HLB value of 10-14. Component (C): a polyhydric alcohol. Component (D): water.

HARA YUSUKE (JP)
WAKITA KAZUAKI (JP)

PCT/JP2016/057480

September 22, 2016

March 09, 2016

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NOF CORP (JP)

A61K8/06; A61K8/81; A61K8/34; A61K8/86; A61Q5/00; A61Q19/00; B01J13/00

JP2005306760A	2005-11-04
JP2000119130A	2000-04-25
JPH1190211A	1999-04-06
JP2004175682A	2004-06-24

YOSHIKAZU HIRAI: "Tokushu/Recent advance of emulsification technology for cosmetic development", FRAGRANCE JOURNAL, vol. 21, no. 4, 15 April 1993 (1993-04-15), pages 34 - 41, XP009505829
See also references of EP 3269355A4

YONEDA, YOSHIHIRO (JP)
Yoshihiro Yoneda (JP)

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