Title:
ビニル化合物の重合防止方法
Document Type and Number:
Japanese Patent JP4146040
Kind Code:
B2
Abstract:
A method for inhibiting polymerization during transportation, storage and/or production of (meth)acrylic acid or an ester thereof includes adding an N-oxyl compound and water to a vinyl compound; or dissolving an N-oxyl compound in water and adding the solution to a vinyl compound in a process of recovering, purifying, and/or synthesizing of the vinyl compound. The method can effectively inhibit polymerization of the vinyl compound.
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Inventors:
Kazuhiko Sakamoto
Kazuo Okochi
Uemura Masahiro
Nakahara
Masatoshi Ueoka
Kazuo Okochi
Uemura Masahiro
Nakahara
Masatoshi Ueoka
Application Number:
JP21253299A
Publication Date:
September 03, 2008
Filing Date:
July 27, 1999
Export Citation:
Assignee:
Nippon Shokubai Co., Ltd.
International Classes:
C07C57/075; C07D211/94; C07B63/04; C07C7/20; C07C51/50; C07C57/04; C07C67/62; C07C69/54; C07C253/32; C07C255/08; C08F2/38
Domestic Patent References:
| JP8048650A | ||||
| JP6345681A | ||||
| JP9316026A | ||||
| JP10175912A | ||||
| JP11171906A | ||||
| JP10017524A | ||||
| JP2002510297A | ||||
| JP2002520379A |
Attorney, Agent or Firm:
Kyuichi Ueki
Etsushi Kotani
Etsushi Kotani
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