Title:
ISOCYANATE MANUFACTURE
Document Type and Number:
WIPO Patent Application WO/2012/106588
Kind Code:
A3
Abstract:
The present invention encompasses the finding that improvements can be achieved in manufacture of isocyanates through the use of a substitute for or a precursor of phosgene. Methods and compositions utilized in accordance with the present invention can be useful in situations in which it is difficult to use phosgene, and in particular gaseous phosgene. In some embodiments, a substitute for or a precursor of phosgene used in accordance with the present invention for preparing isocyanates is or comprises diphosgene (ClCO2CCl3).
Inventors:
BHATTACHARYYA SUBHABRATA (US)
BURELLO MARCO (US)
GOPAL DAMODARA (US)
GUELCHER SCOTT (US)
BURELLO MARCO (US)
GOPAL DAMODARA (US)
GUELCHER SCOTT (US)
Application Number:
PCT/US2012/023751
Publication Date:
November 08, 2012
Filing Date:
February 03, 2012
Export Citation:
Assignee:
WARSAW ORTHOPEDIC INC (US)
BHATTACHARYYA SUBHABRATA (US)
BURELLO MARCO (US)
GOPAL DAMODARA (US)
GUELCHER SCOTT (US)
BHATTACHARYYA SUBHABRATA (US)
BURELLO MARCO (US)
GOPAL DAMODARA (US)
GUELCHER SCOTT (US)
International Classes:
C07C263/10; C07B63/00; C07C261/02; C07C263/20; C07C291/10
Foreign References:
| EP0003835A1 | 1979-09-05 | |||
| US20100041859A1 | 2010-02-18 | |||
| US20060167303A1 | 2006-07-27 |
Attorney, Agent or Firm:
BARKER, Robert T. (Inc.710 Medtronic Parkwa, Minneapolis Minnesota, US)
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