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Title:
METHOD FOR PRODUCING ETHER CARBOXYLATE
Document Type and Number:
Japanese Patent JP2011184380
Kind Code:
A
Abstract:

To provide a method for producing an ether carboxylate, by which the reaction time can be shortened.

The method for producing the ether carboxylate, comprising supplying oxygen to a liquid phase containing a polyoxyalkylene ether having a hydrocarbon group at the terminal, a precious metal catalyst and an alkali substance to catalytically oxidize the polyoxyalkylene ether to produce the carboxylic acid, is characterized in that after the amount of oxygen dissolved in the liquid phase is reduced to 0 to 1 ppm, the supply of the oxygen is started.


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Inventors:
OMAE KAORU
MATSUNAGA AKIRA
SAKAGUCHI AKIRA
Application Number:
JP2010052728A
Publication Date:
September 22, 2011
Filing Date:
March 10, 2010
Export Citation:
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Assignee:
KAO CORP
International Classes:
C07C51/235; C07C59/125; C07B61/00
Domestic Patent References:
JPH05503686A1993-06-17
JPS62198641A1987-09-02
JPH04221339A1992-08-11
JPH01102035A1989-04-19
JP2002020367A2002-01-23
JP2011136933A2011-07-14
JPH05503686A1993-06-17
JPS62198641A1987-09-02
JPH04221339A1992-08-11
JPH01102035A1989-04-19
JP2002020367A2002-01-23
JP2011136933A2011-07-14
Attorney, Agent or Firm:
Satoshi Furuya
Takahiko Mizobe
Shinji Mochida
Yoshitsune Kazumasa



 
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