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Title:
METHOD FOR PRODUCING ISOCYANATE
Document Type and Number:
Japanese Patent JP2013173784
Kind Code:
A
Abstract:

To provide a multistage method for continuously producing organic polyisocyanates, in particular diisocyanates.

In a multistage method for continuously producing organic diisocyanates or polyisocyanates, the corresponding diisocyanates or polyisocyanates are obtained by reacting corresponding first organic diamines or first organic polyamines with urea to give corresponding diureas or polyureas, and thermally decomposing the diureas or polyureas.


More Like This:
JPH0366655PRODUCTION OF ASYMMETRICALLY SUBSTITUTED UREA, CARBAMATE, THIOCARBAMATE AND SUBSTITUTED ISOCYANATE
JP6159801A reaction method accompanied by generation of a gas ingredient
Inventors:
KLOETZER MATTHIAS
STROEFER ECKHARD
BLANKERTZ HEINRICH-JOSEF
Application Number:
JP2013097572A
Publication Date:
September 05, 2013
Filing Date:
May 07, 2013
Export Citation:
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Assignee:
BASF SE
International Classes:
C07C263/06; C07C265/14; C07C273/18; C07C275/14
Domestic Patent References:
JP2005320334A2005-11-17
JPH0641045A1994-02-15
JPS62246547A1987-10-27
JP2005526744A2005-09-08
JP2004123745A2004-04-22
JPS59205352A1984-11-20
JP2005068148A2005-03-17
JP2008503532A2008-02-07
Foreign References:
WO1998054129A11998-12-03
US2611782A1952-09-23
US2145242A1939-01-31
WO2005123665A12005-12-29
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Takuya Kuno



 
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