Title:
カルバメートの熱的開裂によるイソシアネートの製造方法
Document Type and Number:
Japanese Patent JP2013512273
Kind Code:
A
Abstract:
A process is proposed for preparing isocyanates by thermally cleaving carbamates to obtain a carbamate cleavage gas comprising the corresponding isocyanate and the corresponding alcohol, which comprises quenching the carbamate cleavage gas in the presence of an ether which functions as an inhibitor for the reverse reaction of the isocyanate with the alcohol.
Inventors:
Bock michael
Streffer, Eckhart
Baumann, Robert
Franzke, Axel
Pfe finger, yoahim
Streffer, Eckhart
Baumann, Robert
Franzke, Axel
Pfe finger, yoahim
Application Number:
JP2012541459A
Publication Date:
April 11, 2013
Filing Date:
November 30, 2010
Export Citation:
Assignee:
BASF SE
International Classes:
C07C263/04; C07C265/14
Domestic Patent References:
| JPS59108754A | 1984-06-23 | |||
| JP2004123745A | 2004-04-22 | |||
| JP2008150372A | 2008-07-03 | |||
| JP2000247917A | 2000-09-12 | |||
| JPS5665858A | 1981-06-03 | |||
| JP2005526744A | 2005-09-08 | |||
| JPS5439018A | 1979-03-24 | |||
| JP2006510696A | 2006-03-30 |
Foreign References:
| US20040068137A1 | 2004-04-08 | |||
| US2999873A | 1961-09-12 | |||
| US4290970A | 1981-09-22 | |||
| US20050154227A1 | 2005-07-14 | |||
| US4207251A | 1980-06-10 | |||
| US20070015934A1 | 2007-01-18 |
Attorney, Agent or Firm:
Satoshi Eto