Title:
OIL-GEL SOFT PATCH FOR ATTACHMENT TO THE SKIN AND METHOD FOR PREPARING SAME
Document Type and Number:
WIPO Patent Application WO/2010/143827
Kind Code:
A3
Abstract:
The present invention relates to an oil-gel soft patch for attachment to the skin, which is to be attached to the skin of a user to enable the active ingredients of drugs, cosmetic compositions, or the like to be absorbed into the skin or into the body through the skin, and has an aim of improving the adhesiveness of a base material without degrading the flowability of the active ingredients (and carrier ingredients which assist in the flow of the active ingredients) in the base material. The oil-gel soft patch attachment to the skin according to the present invention has a base material containing ethyl cellulose, castor oil, elastomer, and a softener, and is prepared by: (1) a step of mixing the ethyl cellulose and the castor oil to obtain a liquid mixture (A) of the ethyl cellulose and castor oil, and mixing the elastomer and the softener separately from the liquid mixture (A) of the ethyl cellulose and castor oil to obtain a liquid mixture (B) of the elastomer and softener; (2) a step of mixing the liquid mixture (A) of the ethyl cellulose and castor oil, the liquid mixture (B) of the elastomer and softener, and drugs or cosmetic compositions if needed; and (3) a step of applying the liquid mixture of the ethyl cellulose and castor oil, the elastomer and the softener, and the drugs or cosmetic compositions obtained in the step (2), to woven fabric, non-woven fabric, or a synthetic resin film.
Inventors:
TAKAO MARUOKA (JP)
Application Number:
PCT/KR2010/003283
Publication Date:
March 17, 2011
Filing Date:
May 25, 2010
Export Citation:
Assignee:
HANWOONG COATECH CO LTD (KR)
TAKAO MARUOKA (JP)
TAKAO MARUOKA (JP)
International Classes:
A61K9/70; A61K47/34; A61K47/38; A61K47/44
Domestic Patent References:
| WO2002022182A1 | 2002-03-21 |
Foreign References:
| US20060177491A1 | 2006-08-10 | |||
| US20070196453A1 | 2007-08-23 | |||
| KR100325122B1 | 2002-10-19 | |||
| KR20040103633A | 2004-12-09 | |||
| KR20010109042A | 2001-12-08 |
Attorney, Agent or Firm:
DYNE PATENT & LAW FIRM (Shinmyeong Building645-21, Yeoksam-dong Gangnam-gu, Seoul 135-910, KR)
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