Patent ID: 11925883
Assignee: WACKER CHEMIE AG
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  D | IPC B  C  D

Claim 4:
5. The defoamer formulation of claim 3, wherein the organosilicon compound(s) (A) have the formula

R1R2SiO—(SiR2O)x—(HSiRO)y—SiR2R1  (X),

wherein
R, R1 and x are as defined in claim 1,
and y is on average at least 0.5, and on average at most 1.5,
with the provisos that at least one alkenyl radical R1 per molecule is present,
the sum of the units HRSiO2/2 and R1R2SiO1/2 is on average greater than 2.0,
and the number of alkenyl radicals R1 is on average greater than the number of Si-bonded hydrogen atoms.