Title:
CATALYST
Document Type and Number:
WIPO Patent Application WO/2019/182089
Kind Code:
A1
Abstract:
A catalyst for producing an unsaturated aldehyde and an unsaturated carboxylic acid, wherein: the integrated pore volume (A) of pores in the catalyst, said pores having a pore diameter of 1-100 μm inclusive, is 0.12-0.19 ml/g inclusive; and the ratio (A/B) is 0.30-0.87 inclusive [wherein A stands for the aforesaid integrated pore volume (A); and B stands for the integrated pore volume (B) of pores having a pore diameter of 1-100 μm in a portion, said portion not passing through a Tyler 6 mesh screen, of a crushed material which is obtained by crushing the catalyst under specific conditions].
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Inventors:
ITO MITSUNOBU (JP)
ITO HIROTO (JP)
ITO HIROTO (JP)
Application Number:
PCT/JP2019/012001
Publication Date:
September 26, 2019
Filing Date:
March 22, 2019
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
B01J23/887; B01J35/08; B01J35/10; C07C45/35; C07C47/22; C07C51/25; C07C57/05; C07B61/00
Domestic Patent References:
| WO2013161702A1 | 2013-10-31 |
Foreign References:
| JP2015096497A | 2015-05-21 | |||
| JP2017176931A | 2017-10-05 | |||
| JP2004136267A | 2004-05-13 | |||
| JP2004515337A | 2004-05-27 | |||
| JPH0386242A | 1991-04-11 | |||
| JPS58930A | 1983-01-06 | |||
| JPS61141933A | 1986-06-28 | |||
| JP2008535646A | 2008-09-04 | |||
| JPS63200839A | 1988-08-19 | |||
| JP2017176931A | 2017-10-05 |
Other References:
See also references of EP 3769838A4
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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