Barbara Winkler,Oliver Reich,Alexander Mantler,Reinhold Ohrlein,Walter Fischer,Albert Schneider
申请号：
US14297950
公开号：
US09663442B2
申请日:
2014.06.06
申请国别(地区):
US
年份:
2017
代理人:
摘要：
Disclosed is the use of benzotropolone derivatives of formulawhereinR1, 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 —O—(CO)—R10；R6 is hydrogen； C1-C3alkyl； or COR8； orR5 and R6 together may form a five or six membered ring； orR6 and R7 together form a five or six membered ring； andR8, R9, R10 independently of each other are C1-C30alkyl；for protecting body-care and household products from photolytic and oxidative degradation.
