The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 04, 2014

Filed:

Sep. 13, 2004
Applicants:

Tae-won Son, Daegu, KR;

Young-hun Kim, Daegu, KR;

Hyun-oh Yoo, Seoul, KR;

Inventors:

Tae-Won Son, Daegu, KR;

Young-Hun Kim, Daegu, KR;

Hyun-Oh Yoo, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/02 (2006.01); A61K 35/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

The object of this invention is to provide a temperature-sensitive state-changing hydrogel composition and a method of producing the same. The hydrogel composition includes 1-10 wt % of branched gelation polymer, 0.5 5 wt % of electrolyte gelation polymer, 0.5-5 wt % of skin-communication enhancer, 1-10 wt % of natural biomaterial, 3-30 wt % of polyhydric alcohol, 1-10 wt % of functional additive, and 30-93 wt % of water based on a total weight of the composition. Hydrogel is transformed into a fluid state at 10-50° C. The hydrogel composition is transformed into a fluid state due to body temperature when it comes into contact with the skin to be fluidized, so that cosmetics or drugs contained in hydrogel are uniformly and quickly delivered into the skin.


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