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Title:
POROUS ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD FOR MANUFACTURING POROUS ZIRCONIA-BASED COMPOSITE OXIDE
Document Type and Number:
WIPO Patent Application WO/2023/238734
Kind Code:
A1
Abstract:
Provided is a porous zirconia-based composite oxide characterized by satisfying all of (1) to (3) below within a pore distribution range, based on the BJH method, of 2 nm or more and 200 nm or less, and having a pore volume of 0.01 cm3/g or more and 0.25 cm3/g or less within a pore distribution range, based on the mercury intrusion method, of more than 100 nm and 1000 nm or less. (1) A dV/dlogD peak is within the range of 2 nm or more and 100 nm or less. (2) The dV/dlogD peak maximum value is 1.5 or more and 5.0 or less. (3) The pore volume within the range of 2 nm or more and 100 nm or less is 0.30 cm3/g or more and 1.50 cm3/g or less.

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Inventors:
MATSUMOTO KAZUYA (JP)
Application Number:
PCT/JP2023/020062
Publication Date:
December 14, 2023
Filing Date:
May 30, 2023
Export Citation:
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Assignee:
DAIICHI KIGENSO KAGAKU KOGYO (JP)
International Classes:
C01G25/00; B01J21/06; B01J23/10; B01J32/00
Domestic Patent References:
WO2021020104A12021-02-04
WO2015145787A12015-10-01
Foreign References:
JP2008081392A2008-04-10
JP2009249275A2009-10-29
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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