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Title:
METHOD FOR PRODUCING OXIDE CATALYST, METHOD FOR PRODUCING UNSATURATED NITRILE AND METHOD FOR PRODUCING UNSATURATED ACID
Document Type and Number:
WIPO Patent Application WO/2018/030384
Kind Code:
A1
Abstract:
The present invention provides a method for producing an oxide catalyst containing antimony, which comprises a step (A) for obtaining an oxide catalyst with use of antimony particles containing diantimony trioxide as the antimony source, and wherein: the abundance ratio of pentavalent antimony in the surface layers of the antimony particles as determined by XPS analysis is less than 70% by atom; and the average particle diameter of the antimony particles is 1.2 μm or less.

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Inventors:
NAGATA DAI (JP)
MIIKE SATOSHI (JP)
Application Number:
PCT/JP2017/028716
Publication Date:
February 15, 2018
Filing Date:
August 08, 2017
Export Citation:
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Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
B01J23/30; C07C253/24; C07C255/08; C07B61/00
Foreign References:
JP2010201365A2010-09-16
JPS61114739A1986-06-02
JP2013520316A2013-06-06
JP2001300310A2001-10-30
JPS4718722B1
JP2003210982A2003-07-29
JPS63107745A1988-05-12
JP4014863B22007-11-28
JPS577841B21982-02-13
JP3383882B22003-03-10
JP2016158858A2016-09-05
Other References:
See also references of EP 3498369A4
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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