Patent ID: 11883518
Assignee: HENKEL AG & CO. KGAA
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 15:
16. The multi-component packaging unit (kit-of-parts) for dyeing keratinous material of claim 15, wherein:
the organic silicon compound (a1) comprises a compound of a formula (I) and/or a formula (II)

R1R2N-L-Si(OR3)a(R4)b  (I),

where
R1, R2 independently represent a hydrogen atom or a C1-C6 alkyl group,
L is a linear or branched, divalent C1-C20 alkylene group,
R3, R4 are independent of each other and represent a C1-C6 alkyl group,
a represents an integer from 1 to 3, and
b is the integer 3-a, and

wherein in the organic silicon compound of formula (II)

(R5O)c(R6)dSi-(A)e-[NR7-(A′)]f-[O-(A″)]g-[NR8-(A′″)]h-Si(R6′)d′(OR5′)c′  (II),

wherein
R5, R5′, R5″, R6, R6′ and R6″ independently represent a C1-C6 alkyl group,
A, A′, A″, A′″ and A″″ independently represent a linear or branched C1-C20 divalent alkylene group,
R7 and R8 independently represent a hydrogen atom, a C1-C6 alkyl group, a hydroxy-C1-C6 alkyl group, a C2-C6 alkenyl group, an amino-C1-C6 alkyl group or a group of formula (III)

(A″″)-Si(R6″)d″(OR5″)c″  (III),

wherein
c stands for an integer from 1 to 3,
d stands for the integer 3-c,
c′ stands for an integer from 1 to 3,
d′ stands for the integer 3-c′,
c″ stands for an integer from 1 to 3,
d″ stands for the integer 3-c″,
e stands for 0 or 1,
f stands for 0 or 1,
g stands for 0 or 1,
h stands for 0 or 1,, with the proviso that at least one of the radicals from e, f, g and h is different from 0.