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Patent Searching and Data


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 (78 Summit Avenue, Metuchen, New Jersey, 08840, US)
BURELLO, Marco (3931 Robert Ave, Cleveland, Ohio, 44109, US)
GOPAL, Damodara (483 Medway Road, Highland Heights, Ohio, 44143, US)
GUELCHER, Scott (3127 Vera Valley Road, Franklin, Tennessee, 37064, US)
Application Number:
US2012/023751
Publication Date:
August 09, 2012
Filing Date:
February 03, 2012
Export Citation:
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Assignee:
WARSAW ORTHOPEDIC, INC. (2500 Silveus Crossing, Warsaw, Indiana, 46581, US)
BHATTACHARYYA, Subhabrata (78 Summit Avenue, Metuchen, New Jersey, 08840, US)
BURELLO, Marco (3931 Robert Ave, Cleveland, Ohio, 44109, US)
GOPAL, Damodara (483 Medway Road, Highland Heights, Ohio, 44143, US)
GUELCHER, Scott (3127 Vera Valley Road, Franklin, Tennessee, 37064, US)
International Classes:
C07C263/10; C07B63/00; C07C261/02; C07C263/20; C07C291/10
Foreign References:
EP0003835A11979-09-05
US20100041859A12010-02-18
US20060167303A12006-07-27
Attorney, Agent or Firm:
BARKER, Robert T. (Medtronic, Inc.710 Medtronic Parkwa, Minneapolis Minnesota, 55432, US)
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