US Patent Application No: 2003/0072,725

Number of patents in Portfolio can not be more than 2000

Topical cosmetic agents containing 2-hydrazino-1,3 -heteroazoles

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Abstract

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The inventive 2-hydrazino-1,3-heteroazoles or salts thereof are, as very good tyrosinase inhibitors, active constituents in topical cosmetic agents, especially in cosmetic or dermatological skin brightening agents.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HAARMANN & REIMER GMBHHOLZMINDEN1

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johncock, William Hoxter, DE 19 120
Langer, Roland Schwanfeld, DE 80 305
Ley, Jakob Peter Holzminden, DE 32 44

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Patent Info (Count) # Cites Year
 
RELIVIA S.R.L. (1)
* 7,371,396 Dermatological and cosmetic compositions 1 2002
 
SHISEIDO COMPANY, LTD. (1)
8,211,412 Method for skin whitening 0 2012
* Cited By Examiner