STABILIZATION OF HOUSEHOLD, BODY-CARE AND FOOD PRODUCTS BY USING BENZOTROPOLONE CONTAINING PLANT EXTRACTS AND/OR RELATED BENZOTROPOLONE DERIVATIVES
申请人:Wagner Barbara
公开号:US20120230925A1
公开(公告)日:2012-09-13
Disclosed is the use of benzotropolone derivatives of formula (1), wherein R
1
, R
2
and R
7
independently from each other are hydrogen; C
1
-C
3
alkyl; or COR
8
; R
3
is hydrogen; or COOR
9
R
4
is hydrogen; or C
1
-C
3
alkyl; R
5
is hydrogen; hydroxy; C
1
-C
3
-alkoxy; or -0-(CO)—R
10
; R
6
is hydrogen; C
1
-C
3
alkyl; or COR
8
; or R
5
and R
6
together may form a five or six membered ring; or R
6
and R
7
together form a five or six membered ring; and R
8
, R
9
, R
10
independently of each other are C
1
-C
30
alkyl; for protecting body-care and household products from photolytic and oxidative degradation.