Title:
イソシアネートの製造方法
Document Type and Number:
Japanese Patent JP2010501615
Kind Code:
A
Abstract:
The invention relates to a multistage process for the continuous preparation of organic, distillable isocyanates, preferably diisocyanates, particularly preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic amines with urea and alcohols to liberate ammonia and form low molecular weight monomeric urethanes and thermal dissociation of the latter, in which by-products formed are at least partly utilized.
Inventors:
Matthias Cretzer
Heinrich-Josef Blankerts
Gunter Georgy
Eckhart Stroefer
Volker Crase
Gerhard Schultz
Valzeka Andreas
Heinrich-Josef Blankerts
Gunter Georgy
Eckhart Stroefer
Volker Crase
Gerhard Schultz
Valzeka Andreas
Application Number:
JP2009526027A
Publication Date:
January 21, 2010
Filing Date:
August 08, 2007
Export Citation:
Assignee:
BASF SE
International Classes:
C07C263/06; C07C265/14
Domestic Patent References:
| JPH0418064A | 1992-01-22 | |||
| JPH08206643A | 1996-08-13 | |||
| JPH1177063A | 1999-03-23 | |||
| JP2001226295A | 2001-08-21 | |||
| JPH0940628A | 1997-02-10 |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel