Barbara Wagner;Alexander Mantler;Albert Schneider;Oliver Reich;Reinhold Öhrlein;Walter Fischer
发明人:
Barbara Wagner,Oliver Reich,Alexander Mantler,Reinhold Öhrlein,Walter Fischer,Albert Schneider
申请号：
US13499706
公开号：
US20120230925A1
申请日:
2010.10.05
申请国别(地区):
US
年份:
2012
代理人:
摘要：
Disclosed is the use of benzotropolone derivatives of formula (1), wherein R1, R2 and R7 independently from each other are hydrogen； C1-C3alkyl； or COR8； R3 is hydrogen； or COOR9 R4 is hydrogen； or C1-C3alkyl； R5 is hydrogen； hydroxy； C1-C3-alkoxy； or -0-(CO)—R10； R6 is hydrogen； C1-C3alkyl； or COR8； or R5 and R6 together may form a five or six membered ring； or R6 and R7 together form a five or six membered ring； and R8, R9, R10 independently of each other are C1-C30alkyl； for protecting body-care and household products from photolytic and oxidative degradation.
