申请人:Hansch Markus
公开号:US20110038815A1
公开(公告)日:2011-02-17
Disclosed is the use of benzylidene malonates of formula (1), wherein R
1
and R
2
, independently from each other are hydrogen; OH; C
1
-C
12
alkyl; C
1
-C
12
alkoxy; C
1
-C
12
alkylamino; C
1
-C
12
dialkylamino; water-solubilizing groups, selected from carboxylate, sulfonates or ammonium radicals; R
3
is COOR
5
; COR
5
; CONR
5
R
6
; CN; or SO
2
R
7
, R
4
is COOR
8
; COR
9
; CONR
8
R
9
; CN; or SO
2
R
10
; R
5
, R
6
, R
7
, R
8
, R
9
and R
10
independently from each other are C
1
-C
18
alkyl; unsubstituted or by one or more than one C
1
-C
4
alkyl substituted C
3
-C
12
-cycloalkyl; unsubstituted or C
1
-C
6
alkyl-substituted C
6
-C
20
aryl; organosilanyl, or organosiloxanyl; A is —C
1
-C
20
alkylene-, —CH
2
CH(OH)CH
2
—, —C
5
-C
20
cycloalkylene, —C
2
-C
20
alkenylene-, —C
5
-C
10
arylene-, or —C
5
-C
10
arylene-(C
1
-C
10
alkylene)- which are unsubstituted or substituted, straight-chain or branched, optionally interrupted by one or more than one heteroatoms selected from —O, —S— or —NH—; for the protection of human and animal hair and skin against UV radiation.