C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/18 (2006.01) B01D 19/04 (2006.01) C01B 33/12 (2006.01) C01B 33/193 (2006.01) C09C 1/30 (2006.01)
Patent
CA 2495736
The present invention relates to precipitated silicas with a high pH and for applications as defoamers having optimum silanol group density, to a process for preparing them and to their use, particularly in defoamer formulations.
Allerdisse Rene
Bergmann Roland
Loebbus Mario
Lukas Anja
Meier Karl
Degussa Ag
Evonik Degussa Gmbh
Fetherstonhaugh & Co.
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