Patent ID: 11957771
Assignee: HENKEL AG & CO. KGAA
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 1:
2. Process according to claim 1, wherein the agent (a) comprises at least one organic silicon compound (a1) of the formula (I) and/or (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 independently of one another represent a C1-C6 alkyl group,
a, stands for an integer from 1 to 3, and
b stands for 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),

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 divalent C1-C20 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),

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,, provided that at least one of the radicals e, f, g and h is different from 0.