Title:
METHOD FOR PREPARING OIL-IN-WATER TYPE EMULSION COMPOSITION, AND COSMETIC MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/054292
Kind Code:
A1
Abstract:
Provided is a method for preparing an oil-in-water type emulsion composition, the method comprising a step for stirring and emulsifying a composition containing components (A), (B), (C) and (D) below and then treating under a high shear pressure of 30-300 Mpa, wherein (A) is 5-35 mass% of an acrylic-silicone graft copolymer, (B) is 5-35 mass% of volatile oil, (C) is 2-15 mass% of polyoxyethylene sorbitan fatty acid ester having average addition mole number of ethylene oxide (EO) of 10 or more and HLB of 11 or more, and (D) is 15-88 mass% of water.
Inventors:
TAKADA YUKO (JP)
Application Number:
PCT/JP2018/033205
Publication Date:
March 21, 2019
Filing Date:
September 07, 2018
Export Citation:
Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
A61K8/89; A61K8/06; A61K8/31; A61K8/86; A61K8/891; A61Q1/00; A61Q1/04; A61Q19/00; B01J13/00
Foreign References:
| EP0388582A2 | 1990-09-26 | |||
| JPH07187951A | 1995-07-25 | |||
| JP2012206971A | 2012-10-25 | |||
| JP2012153802A | 2012-08-16 | |||
| JP2002047129A | 2002-02-12 | |||
| JP2001226222A | 2001-08-21 | |||
| JP2704730B2 | 1998-01-26 | |||
| JP2844077B2 | 1999-01-06 | |||
| JPS5533176B2 | 1980-08-29 | |||
| JPS5943801B2 | 1984-10-24 | |||
| JP4757991B2 | 2011-08-24 |
Other References:
OKAMOTO, TOORU: "Formulation technology learned from cosmetics-based technology: The 2nd formulation technology used in skin care cosmetics", PHARM TECH JAPAN, vol. 22, no. 9, 2006, pages 1711 - 1715, XP009519305, ISSN: 0910-4739
See also references of EP 3682866A4
See also references of EP 3682866A4
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION EI-MEI PATENT OFFICE (JP)
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