	US 12,220,679 B2
	Deoxidant composition
Ken Sugimoto, Tokyo (JP)
Assigned to Mitsubishi Gas Chemical Company, Inc., Tokyo (JP)
Appl. No. 17/414,276
Filed by Mitsubishi Gas Chemical Company, Inc., Tokyo (JP)
PCT Filed Nov. 26, 2019, PCT No. PCT/JP2019/046126 § 371(c)(1), (2) Date Jun. 15, 2021, PCT Pub. No. WO2020/129547, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 2018-236497 (JP), filed on Dec. 18, 2018.
Prior Publication US 2022/0072503 A1, Mar. 10, 2022
Int. Cl. B01J 20/02 (2006.01); A61K 47/02 (2006.01); B01D 53/14 (2006.01); B01J 20/14 (2006.01); B01J 20/16 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); B65D 81/26 (2006.01); G01B 7/02 (2006.01); G01B 7/06 (2006.01); G01N 27/02 (2006.01); G01N 27/72 (2006.01); G01N 27/90 (2021.01); G01V 3/10 (2006.01)

CPC B01J 20/0229 (2013.01) [B01D 53/1493 (2013.01); B01J 20/14 (2013.01); B01J 20/165 (2013.01); B01J 20/20 (2013.01); B01J 20/28016 (2013.01); B65D 81/266 (2013.01); G01N 27/023 (2013.01); G01N 27/72 (2013.01); G01N 27/9046 (2013.01); G01V 3/10 (2013.01); A61K 47/02 (2013.01); B01D 2252/10 (2013.01); G01B 7/023 (2013.01); G01B 7/10 (2013.01); G01B 7/105 (2013.01)]

20 Claims

1. A method of inspecting a foreign material in a product enclosing an oxygen scavenger composition comprising iron powder having a metallic iron content of 94% by mass or more by a metal detecting machine, the method comprising

a step of canceling a detection signal derived from the iron comprised in the oxygen scavenger composition as a noise,

wherein a detection principle of the metal detecting machine is according to a change in magnetic force.