Method and device for the continuous production of organic...

Details Method and device for the continuous production of organic... Method and device for the continuous production of organic...

2005-03-15

2005-03-15

Richter, Johann (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

C560S336000, C560S338000

Reexamination Certificate

active

06867324

ABSTRACT:
Starting material streams are mixed in a mixer (13) for the phosgenation of amines by a process in which the reaction product (3) is removed in a closed loop and the starting material streams (1.2) contain organic solvents. The main streams (1.1, 2.1) and/or part-streams (1.2, 2.2) of the starting materials (1, 2) come into contact with one another according to the countercurrent principle.

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Abstract of DE 1792660 B2.
Abstract of SU 519 129.
Abstract of DD 300168 A7.
Abstract of DE 3630097 A.

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