Title:
COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2022/172584
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a sufficiently pulverized CeO2-ZrO2-based composite oxide; and a method for producing said CeO2-ZrO2-based composite oxide. Provided are: a composite oxide comprising a zirconium element, a cerium element, and optionally, other rare-earth metal elements, wherein the D50 and D90 of said composite oxide, as measured by a laser diffraction and scattering-type particle size distribution measurement method, are at most 0.5 μm and at most 1 μm, respectively; and a method for producing said composite oxide.
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Inventors:
SATO TAKAHIRO (JP)
WATANABE SATOSHI (JP)
WATANABE SATOSHI (JP)
Application Number:
PCT/JP2021/046309
Publication Date:
August 18, 2022
Filing Date:
December 15, 2021
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO LTD (JP)
International Classes:
B01J35/10; B01J23/10; C01G25/00
Foreign References:
JP2019122895A | 2019-07-25 | |||
JP2010016064A | 2010-01-21 | |||
JP2009249275A | 2009-10-29 | |||
JP2016513008A | 2016-05-12 | |||
US6180556B1 | 2001-01-30 | |||
JP2006032132A | 2006-02-02 | |||
JP2018047425A | 2018-03-29 | |||
JP2019198838A | 2019-11-21 |
Attorney, Agent or Firm:
NAKAMURA Yukitaka et al. (JP)
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