Title:
イソシアネートの製造法
Document Type and Number:
Japanese Patent JP5692964
Kind Code:
B2
Abstract:
The present invention relates to a multiple-stage process for the continuous preparation of organic, distillable polyisocyanates, preferably diisocyanates, more preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic poly-amines with ureas to form low-molecular monomeric polyureas, and the thermal decomposition thereof.
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Inventors:
Matthias Cretzer
Eckhart Stroefer
Heinrich-Josef Blankerts
Eckhart Stroefer
Heinrich-Josef Blankerts
Application Number:
JP2008549870A
Publication Date:
April 01, 2015
Filing Date:
January 09, 2007
Export Citation:
Assignee:
BASF SE
International Classes:
C07C263/06; C07C265/14
Domestic Patent References:
| JP2005320334A | ||||
| JP62246547A | ||||
| JP59205352A |
Foreign References:
| US2145242 | ||||
| WO2005123665A1 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Takuya Kuno
Takuya Kuno
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