Title:
イソシアネートの製造方法
Document Type and Number:
Japanese Patent JP5116109
Kind Code:
B2
Abstract:
An object of the present invention is to provide a process allowing long-term, stable production of isocyanates at a high yield without the various problems found in the prior art during production of isocyanates without using phosgene. The present invention discloses a process for producing an isocyanate by subjecting a carbamic acid ester to a decomposition reaction in the presence of a compound having an active proton and a carbonic acid derivative.
More Like This:
| JPS58150550 | MANUFACTURE OF ISOCYANATE |
| JPH01125359 | PRODUCTION OF ISOCYANATES |
| JP5563816 | Treatment method of isocyanate residue |
Inventors:
Shinohata Masaaki
Nobuhisa Miyake
Nobuhisa Miyake
Application Number:
JP2008553109A
Publication Date:
January 09, 2013
Filing Date:
January 10, 2008
Export Citation:
Assignee:
Asahi Kasei Chemicals Corporation
International Classes:
C07C263/04; C07C265/14
Domestic Patent References:
| JPS57159752A | 1982-10-01 | |||
| JPH07258194A | 1995-10-09 | |||
| JPS59108754A | 1984-06-23 | |||
| JPH0987239A | 1997-03-31 | |||
| JPS57159752A | 1982-10-01 | |||
| JPH07258194A | 1995-10-09 | |||
| JPS59108754A | 1984-06-23 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Kazuhiko Naito
Toshifumi Onuki
Kazuhiko Naito