Title:
METHOD FOR PREVENTING POLYMERIZATION OF VINYL COMPOUND
Document Type and Number:
WIPO Patent Application WO/2001/046112
Kind Code:
A1
Abstract:
A method for preventing the polymerization of a vinyl compound by means of an inexpensive polymerization inhibitor which is effective even in the absence of oxygen or in the presence of water even when used in a small amount. The method comprises using as the polymerization inhibitor a combination of phenothiazine with a strong acid.
Inventors:
TOMITA KOUJI (JP)
NAKAGAWA TAKASHI (JP)
NAKAGAWA TAKASHI (JP)
Application Number:
PCT/JP2000/008714
Publication Date:
June 28, 2001
Filing Date:
December 08, 2000
Export Citation:
Assignee:
IDEMITSU PETROCHEMICAL CO (JP)
TOMITA KOUJI (JP)
NAKAGAWA TAKASHI (JP)
TOMITA KOUJI (JP)
NAKAGAWA TAKASHI (JP)
International Classes:
C07C51/50; C07B63/04; C07C57/075; C07C67/62; C07C69/54; C08F2/40; (IPC1-7): C07C51/50; C07B63/04; C07C57/075
Foreign References:
| JP2000234002A | 2000-08-29 | |||
| JPH0834748A | 1996-02-06 | |||
| EP0302697A1 | 1989-02-08 | |||
| JPH0881397A | 1996-03-26 |
Attorney, Agent or Firm:
Ohtani, Tamotsu (Toranomon 3-chome Minato-ku, Tokyo, JP)
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