Title:
イソシアネート、誘導体及びその製造方法
Document Type and Number:
Japanese Patent JP7114109
Kind Code:
B2
Abstract:
The present invention is directed to processes for producing isocyanates and isocyanate derivatives from epoxide and carbon monoxide reagents. In preferred embodiments, the processes include a step for providing carbonylation of an epoxide reagent with a carbon monoxide reagent to produce a beta-lactone intermediate. In certain preferred embodiments, further carbonylation of a beta-lactone intermediate produces a succinic anhydride intermediate. The processes of the present invention include steps for rearranging beta-lactone intermediates and/or succinic anhydride intermediates to produce isocyanate products and/or isocyanate derivatives. In certain preferred embodiments, the isocyanate products may be copolymerized with polyol oligomers to provide polyurethane products.
More Like This:
Inventors:
Scratch, Sadesh H
Bakir, Uptal Mahendra
Krikov, Oleg
Goodrich, Matthew
Bakir, Uptal Mahendra
Krikov, Oleg
Goodrich, Matthew
Application Number:
JP2020513777A
Publication Date:
August 08, 2022
Filing Date:
October 04, 2018
Export Citation:
Assignee:
Novomer, Incorporated
International Classes:
C07C263/12; C07C265/04
Domestic Patent References:
| JP2014527456A | ||||
| JP2005511753A | ||||
| JP2017171681A | ||||
| JP2002511445A |
Foreign References:
| US2375005 | ||||
| US9718755 | ||||
| US9719037 |
Attorney, Agent or Firm:
Kawaguchi International Patent Office