Bayer Aktiengesellschaft

Horst Bornefeld

Bernd-Michael Holle

Hans-Gunter Zander

Peter Panek

Dieter Rade

Rolf Michael Braun

Wolfgang Ritter

A process for micronizing solid matters in a jet mill, wherein the solid matters are brought into the jet mill across an injector and wherein the micronization takes place, if necessary, in the presence of milling aids and/or dispersing agents, wherein the solid matters are forcibly supplied to the injector and an apparatus for carrying out the process, the apparatus comprising a dosing means, a forcible entry means, and injector and a jet mill.

Process for micronizing solid matter in jet mills

Process and device for micronizing solid matter in jet mills

A modified hydrophobic colored or magnetic pigment or filler comprising a hydrophobic pigment or filler containing from 0.05 to 10% by weight, based on the weight of the pigment or filler, of an organopolysiloxane corresponding to the formula ##STR1## wherein x=0 to 500,

Hydrophobic pigments and fillers for incorporation in synthetic resins

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Krefeld, Germany

Horst Bornefeld