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Title:
DEODORIZING CATALYST FOR REFRIGERATOR AND DEODORIZING MATERIAL FOR REFRIGERATOR USING THIS
Document Type and Number:
WIPO Patent Application WO/2021/229799
Kind Code:
A1
Abstract:
This deodorizing catalyst for a refrigerator contains a Cu-Mn composite oxide, and zeolite with a silica/alumina molar ratio of at least 100, and the ratio (A/B) of the mass A of the Cu-Mn composite oxide and the mass B of the zeolite is 0.1-1.25. In a pore distribution based on the MP method, calculated with nitrogen adsorption/desorption isotherm measurement, this zeolite preferably has a pore diameter maximum value in the range 0.8-1.2nm. Alternatively, the zeolite preferably has a total acid content of less than or equal to 0.3 mmol/g, calculated by ammonia temperature-programmed desorption.

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Inventors:
TAKENOUCHI KENTA (JP)
SAITO KEISUKE (JP)
Application Number:
PCT/JP2020/019454
Publication Date:
November 18, 2021
Filing Date:
May 15, 2020
Export Citation:
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Assignee:
NIKKI UNIVERSAL CO LTD (JP)
International Classes:
B01J23/72; B01J29/08
Foreign References:
JPH10137591A1998-05-26
JPH09299461A1997-11-25
JPH08243383A1996-09-24
JPH10155882A1998-06-16
JPH08266866A1996-10-15
JPH09215736A1997-08-19
JPH0956799A1997-03-04
JP2003250872A2003-09-09
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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