Bayer Aktiengesellschaft

Bernd Weber

Berthold Keggenhoff

Uwe J Zarnack

Hermann Dallmeyer

Heinz Sauer

Manfred L Gallus

Harald Muller

A mixer-reactor for mixing at least two fluid substances and carrying out or initiating a reaction between them, wherein the mixer-reactor consists of a substantially rotationally symmetrical casing containing a mixing chamber having separate inlets for the at least two substances and an outlet, the inlet for the at least first substance being provided within the axis of the mixing chamber and the inlet for the at least second substance being constructed in the form of a plurality of nozzles arranged rotationally symmetrically to the axis of the mixing chamber, characterized in that a bolt which is displaceable in the direction of the nozzle axis is allocated to each nozzle, wherein the bolt is acting to remove the caking or clogging material from the nozzle.

Mixer-reactor and process for containing nozzles for carrying out the

The present invention is directed to a mixer for mixing at least two free-flowing, reactive or unreactive substances comprising

Mixer for mixing at least two free-flowing substances, especially those

The present invention is directed to a process for the production of a mono- and/or polyisocyanate by the phosgenation of a mono- and/or polyamine in a mixer which comprises

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Krefeld, Germany

Bernd Weber