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KMID : 0525720110160040223
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Journal of Chitin and Chitosan
2011 Volume.16 No. 4 p.223 ~ p.228
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Review Paper : Trend of Patents Related to Artificial Skin by Using Chitosan
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Kim Chul-Kyung
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Abstract
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This study was aimed to get information about artificial skin made of chitosan as its main material. The study analyzed the patent trends of the technology related to artificial skin made of chitosan by selecting some patents in Korea, Japan, U.S.A., and Europe. The survey of patent trends showed that the number of applications increased from 1987 up to 2006, but since then the number of applications decreased. The number of applications of Fuji Film in Japan was highest. The application activity of Japan and Korea was active whereas the number of applications of U.S.A. and Europe were comparatively low. The patents related to artificial skin focused on chitosan has already turned into the period of maturity. Accordingly, it is expected hereafter that the patent applications and R & D for producing biomimetic derma scaffolds will be appeared.
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KEYWORD
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chitosan, artificial skin, scaffold, hydrogel
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