	US 11,911,742 B2
	Hydrocarbon adsorbent
Keita Nakao, Yamaguchi (JP); and Ryo Mitsuhashi, Yamaguchi (JP)
Assigned to TOSOH CORPORATION, Yamaguchi (JP)
Filed by TOSOH CORPORATION, Yamaguchi (JP)
Filed on Apr. 4, 2023, as Appl. No. 18/130,577.
Application 18/130,577 is a continuation of application No. 16/976,642, granted, now 11,648,527, previously published as PCT/JP2019/008049, filed on Mar. 1, 2019.
Claims priority of application No. 2018-037603 (JP), filed on Mar. 2, 2018.
Prior Publication US 2023/0234022 A1, Jul. 27, 2023
Int. Cl. B01J 20/18 (2006.01); B01D 53/04 (2006.01); B01D 53/94 (2006.01); B01J 20/28 (2006.01); C01B 39/20 (2006.01); C07C 7/12 (2006.01); F01N 3/08 (2006.01); F01N 3/28 (2006.01)

CPC B01J 20/18 (2013.01) [B01D 53/04 (2013.01); B01D 53/9486 (2013.01); B01J 20/28009 (2013.01); C01B 39/20 (2013.01); C07C 7/12 (2013.01); F01N 3/0814 (2013.01); F01N 3/0835 (2013.01); F01N 3/2803 (2013.01); B01D 2253/108 (2013.01); B01D 2257/702 (2013.01); C01P 2002/60 (2013.01); C01P 2002/78 (2013.01); C01P 2006/42 (2013.01); F01N 2330/02 (2013.01); F01N 2330/32 (2013.01); F01N 2370/04 (2013.01); F01N 2570/12 (2013.01)]

6 Claims

1. A hydrocarbon adsorbent, which comprises FAU type zeolite containing bivalent copper having, in ESR measurement a spin concentration of a least 1.0×10 19 (spins/g) and a ratio of a peak intensity at a magnetic field of at least 260 mT and at most 270 mT to a peak intensity at a magnetic field of at least 300 mT and at most 320 mT of at least and at most 0.50.