Skin external preparation containing triterpenic acid

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United States of America Patent

PATENT NO 8912172
APP PUB NO 20090253663A1
SERIAL NO

12305350

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is a skin external preparation containing a triterpenic acid typified by ursolic acid. For obtaining a skin external preparation having excellent storage stability by improving the dissolution stability of the triterpenic acid and the like, 4-alkylresorcinol such as 4-n-butylresorcinol is added into a skin external preparation containing a triterpenic acid and the like such as benzyl ursolate.

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Patent Owner(s)

Patent OwnerAddress
KURARAY CO LTDKURASHIKI-SHI OKAYAMA 710-0801
POLA CHEMICAL INDUSTRIES INCSHIZUOKA 437-8765

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akamatsu, Hisashi Yokohama, JP 3 33
Sakai, Yuji Yokohama, JP 124 964
Suzuki, Masashi Yokohama, JP 202 1793

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