	US 12,409,438 B2
	Adsorption filter
Hiroe Yoshinobu, Okayama (JP); Tetsuya Hanamoto, Okayama (JP); and Keita Takahashi, Okayama (JP)
Assigned to KURARAY CO., LTD., Kurashiki (JP)
Appl. No. 18/850,146
Filed by KURARAY CO., LTD., Kurashiki (JP)
PCT Filed Mar. 20, 2023, PCT No. PCT/JP2023/010837 § 371(c)(1), (2) Date Sep. 24, 2024, PCT Pub. No. WO2023/189806, PCT Pub. Date Oct. 5, 2023.
Claims priority of application No. 2022-053499 (JP), filed on Mar. 29, 2022.
Prior Publication US 2025/0108355 A1, Apr. 3, 2025
Int. Cl. B01J 20/20 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); C02F 1/28 (2023.01); C02F 101/20 (2006.01); C02F 101/32 (2006.01)

CPC B01J 20/20 (2013.01) [B01J 20/28011 (2013.01); B01J 20/2803 (2013.01); B01J 20/28042 (2013.01); B01J 20/28076 (2013.01); B01J 20/3007 (2013.01); B01J 20/3021 (2013.01); C02F 1/283 (2013.01); C02F 2101/20 (2013.01); C02F 2101/322 (2013.01)]

5 Claims

1. An adsorption filter, comprising:

a molded body containing activated carbon and one or more binders, wherein

the activated carbon has a D50 of 30 μm or more and 110 μm or less in a cumulative particle size distribution at a volume basis of the activated carbon,

a pore volume of the adsorption filter at a pore diameter of 15 μm or more and 30 μm or less at a volume basis of the adsorption filter measured by mercury intrusion porosimetry is 0.06 cm³/cc to 0.30 cm³/cc, and

a pore volume of the adsorption filter at a pore diameter of 7 μm or less at a volume basis of the adsorption filter measured by the mercury intrusion porosimetry is not less than 0.12 cm³/cc.