IP Library › Granted Patent US 11,554,342
Granted Patent B2
US 11,554,342 · App. 16/760,705 · Granted Jan 17, 2023

Filter

Inventors: Yusuke Hidaka (Otsu, JP); Keiko Sakaguchi (Otsu, JP); Takuya Nakazawa (Otsu, JP); Kimiko Yoshida (Kariya, JP); Jun Goto (Kariya, JP)
Assignees: TOYOBO CO., LTD.; TOYOTA BOSHOKU KABUSHIKI KAISHA
B01D53/04B01J20/06B01J20/20B01J20/26B01J20/3204B01J20/3291B01D2253/25B01D2253/3425
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Quick Facts
Patent No.
US 11,554,342
App. No.
16/760,705
Granted
Jan 17, 2023
Kind
B2
Abstract

It is an object of the present invention to provide a filter which remove acidic gas in the atmosphere with high efficiency and has excellent water resistance. A filter comprising: an aluminium substrate; and an adsorption layer on a surface of the aluminium substrate, wherein the adsorption layer contains activated carbon, a manganese oxide, and an acrylic resin having a pH of 3.0 to 6.5.

Claims (11)

1. A filter comprising:

an aluminium substrate; and

an adsorption layer on a surface of the aluminium substrate, wherein

the adsorption layer consists of activated carbon, a manganese oxide, and an acrylic resin having a pH of 3.0 to 6.5, and

a BET specific surface area of the activated carbon is 1800 to 3000 m 2 /g.

2. The filter according to claim 1 , wherein

the activated carbon and the manganese oxide are carried on the surface of the aluminium substrate through the acrylic resin.

3. The filter according to claim 1 , wherein

the aluminium substrate is a honeycomb structure.

4. The filter according to claim 2 , wherein

the aluminium substrate is a honeycomb structure.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 30, 2020
From: HIDAKA, YUSUKE; SAKAGUCHI, KEIKO; NAKAZAWA, TAKUYA; YOSHIDA, KIMIKO; GOTO, JUN
To: TOYOBO CO., LTD.; TOYOTA BOSHOKU KABUSHIKI KAISHA
Reel/Frame 052539/0829 →
Priority Claims (1)
JP JP2017-217558 · Nov 10, 2017 · national
Continuity (1)
Related Publication 20210178313A1 · Jun 17, 2021