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Patent Searching and Data


Title:
CATALYST AND CATALYST GROUP
Document Type and Number:
WIPO Patent Application WO/2018/181226
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a catalyst with which pressure losses and coking are suppressed and with which it is possible to produce a target substance with a high yield, when the catalyst is used to produce the target substance by causing a material to undergo a gas phase catalytic oxidation reaction. The present invention relates to a ring-shaped catalyst which is used when producing a target substance by causing a material to undergo a gas phase catalytic oxidation reaction and which has a straight body portion and a hollow body portion, wherein the length of the straight body portion is less than the length of the hollow body portion, and the catalyst has a concave curve from an end portion of the straight body portion to an end portion of the hollow body portion in at least one end portion of the catalyst.

Inventors:
TAZAWA Kazuharu (1-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 51, 〒1008251, JP)
TANIGUCHI Takanori (1-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 51, 〒1008251, JP)
NAKAMURA Takuya (1-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 51, 〒1008251, JP)
Application Number:
JP2018/012233
Publication Date:
October 04, 2018
Filing Date:
March 26, 2018
Export Citation:
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Assignee:
MITSUBISHI CHEMICAL CORPORATION (1-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 51, 〒1008251, JP)
International Classes:
B01J35/02; B01J23/887; C07C45/35; C07C47/22; C07C51/215; C07C57/05; C07B61/00; C07C45/29; C07C51/23
Domestic Patent References:
WO2009147965A12009-12-10
WO2018021241A12018-02-01
WO2005005037A12005-01-20
Foreign References:
JPS55139834A1980-11-01
JPH06145093A1994-05-24
JPS61141933A1986-06-28
JP2007505740A2007-03-15
JP2001293376A2001-10-23
JPH01228940A1989-09-12
JPS5276553U1977-06-08
JP2017080731A2017-05-18
JPS61141933A1986-06-28
JP2007505740A2007-03-15
JPH05317713A1993-12-03
JPS55139834A1980-11-01
JP2011225476A2011-11-10
JP2017061962A2017-03-30
JP2017088648A2017-05-25
JP2017097655A2017-06-01
JP2017097656A2017-06-01
JP2018012547A2018-01-25
JP2018012548A2018-01-25
JP2018012549A2018-01-25
JP2018012550A2018-01-25
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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