Title:
METHOD FOR MANUFACTURING POLYOXYETHYLENE ALKYL ETHER ACETIC ACID
Document Type and Number:
WIPO Patent Application WO/2012/169585
Kind Code:
A1
Abstract:
The invention is a method for manufacturing a polyoxyethylene alkyl ether acetic acid, including feeding oxygen to a liquid phase containing water and polyoxyethylene ether having a hydrocarbon group at the end (hereinafter referred to as polyoxyethylene alkyl ether) and dehydrogenating and oxidizing the polyoxyethylene alkyl ether in the presence of a platina catalyst, wherein the mass ratio between the total mass of the polyoxyethylene alkyl ether and the polyoxyethylene alkyl ether acetic acid and the mass of water in the liquid phase ((polyoxyethylene alkyl ether + polyoxyethylene alkyl ether acetic acid) / water) is 60/40 to 95/5.
Inventors:
SAKAGUCHI AKIRA (JP)
Application Number:
PCT/JP2012/064684
Publication Date:
December 13, 2012
Filing Date:
June 07, 2012
Export Citation:
Assignee:
KAO CORP (JP)
SAKAGUCHI AKIRA (JP)
SAKAGUCHI AKIRA (JP)
International Classes:
B01J23/644; C07C51/235; C07C59/125; C07B61/00
Foreign References:
| JPS5484523A | 1979-07-05 | |||
| JPH04221339A | 1992-08-11 | |||
| JP2000095726A | 2000-04-04 | |||
| JPS61293948A | 1986-12-24 | |||
| JPS62198641A | 1987-09-02 | |||
| JPH04221339A | 1992-08-11 | |||
| US5495045A | 1996-02-27 | |||
| JPS61293948A | 1986-12-24 | |||
| JP2903187B2 | 1999-06-07 | |||
| JPS5479229A | 1979-06-25 | |||
| JP2008094800A | 2008-04-24 |
Other References:
See also references of EP 2719678A4
Attorney, Agent or Firm:
FURUYA Satoshi et al. (JP)
Satoshi Furuya (JP)
Satoshi Furuya (JP)
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Claims: