Hydrophilic precipitated silica for defoamer formulations

Details Hydrophilic precipitated silica for defoamer formulations Hydrophilic precipitated silica for defoamer formulations

2011-08-30

2011-08-30

Green, Anthony J (Department: 1731)

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

C423S338000, C423S339000

Reexamination Certificate

active

08007751

ABSTRACT:
Precipitated silicas with a high pH and their use in applications as defoamers having optimum silanol group density and a process for preparing precipitated silicas and to their use, particularly in defoamer formulations.

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