Title:
REDUCTION OF KETENE TRIMER IN CRUDE DIKERANE
Document Type and Number:
Japanese Patent JPS63258866
Kind Code:
A
Abstract:
Process for the reduction of the ketene trimer portion in raw diketene by mixing of the diketene with water, an alcohol, a phenol or a carboxylic acid, and heating the mixture to 50 DEG to 130 DEG C., and then distilling off the diketene.
Inventors:
RENZO BERUGAMIN
BUIRUHERUMU KUBUITSUTOMAN
BUIRUHERUMU KUBUITSUTOMAN
Application Number:
JP8886188A
Publication Date:
October 26, 1988
Filing Date:
April 11, 1988
Export Citation:
Assignee:
LONZA AG
International Classes:
C07D305/12; C07C45/90; C07C49/88; C07C49/90; C07D315/00; (IPC1-7): C07D305/12
Domestic Patent References:
| JPS61176581A | 1986-08-08 |
Attorney, Agent or Firm:
Sou Suga