Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0153664
Kind Code:
B2
Abstract:
Organic mono- or poly-isocyanates are produced on a continuous basis by phosgenating the corresponding amines. A solution of the amine to be phosgenated is continuously sprayed through a smooth-jet nozzle into a solution of phosgene continuously flowing through a mixing chamber. The mixing chamber is maintained at a temperature of 120 DEG to 300 DEG C. and a pressure of from 10 to 1000 bars. The molar ratio of phosgene to primary amino groups is generally from 2:1 to 30:1.

Inventors:
HANSUUYOAHIMU HENINGU
YURUGEN RAARUSU
DEIITORITSUHI RIIPUTSUSHU
Application Number:
JP8816982A
Publication Date:
November 15, 1989
Filing Date:
May 26, 1982
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BAYER AG
International Classes:
C07C265/00; C07C67/00; C07C241/00; C07C263/10; C07C265/04; C07C265/12; C07C265/14; C08G18/00; B01J19/26



 
Next Patent: JPH0153665