Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Carsten Knoesche0
Andreas Daiss0
Andreas Woelfert0
Date of Patent
February 10, 2009
0Patent Application Number
115704080
Date Filed
June 22, 2005
0Patent Primary Examiner
Patent abstract
The invention relates to a process for preparing isocyanates by reacting amines with phosgene in the gas phase in a reaction zone, with the reaction mixture being passed through a zone into which a liquid is sprayed to stop the reaction, wherein the reaction mixture is passed through a zone having a reduced flow cross section between the reaction zone and the zone into which the liquid is sprayed.
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