Patent · US Expired

Mixer-reactor and process for containing nozzles for carrying out the phosgenation of primary amines

US5931579A · kind A · utility

31Cited by

8References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Manfred Gallus · Krefeld, DE
Harald Muller · Dormagen, DE
Bernd Weber · Töging am Inn, DE

Key dates

Filing date	Sep 11, 1997
Grant date	Aug 3, 1999
Priority date	—
Expiry date	Sep 11, 2017

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2219/182
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.