Patent ID: 11931673
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 4, wherein the organosilicon compound(s) (A) are those of the formula

R1R2SiO—(SiR2O)x—(HSiR)y—O—SiR2R1   (X),, wherein, y is on average at least 0.5, and on average at most 1.5,, with the proviso that at least one alkenyl radical Rl 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.