Degussa Aktiengesellschaft

Evonik Degussa Gmbh

Degussa - Huls Ag

Jochen Scheffler

Mustafa Siray

Wolfgang Lortz

Gabriele Perlet

Margit Kakas

Dispersion containing, in addition to water, 0.5 to 20 wt. % of hydrophobic silica, 0.01 to 10 wt. % of a gelling or viscosity-increasing additive, 0.1 to 1 wt. % of a preservative and 0 to 1 wt. % of a surface-active substance. It is prepared by a procedure in which the individual components are dispersed successively or together into the water and in this procedure the individual components are deaerated before and/or during the addition or the dispersion is deaerated during the individual dispersing steps. The dispersion can be employed as an insecticide.

Dispersion having an insecticidal action

Precipitated silica

Growing community of inventors

Alzenau, Germany

Jochen Scheffler