	US 12,140,600 B2
	Method for measuring activated partial thromboplastin time
Takahiko Bando, Kobe (JP); Kohei Akatsuchi, Kobe (JP); Naoki Yamamoto, Kobe (JP); Masako Aki, Kobe (JP); Hiroshi Negoro, Kobe (JP); and Masato Michishita, Kobe (JP)
Assigned to SYSMEX CORPORATION, Kobe (JP)
Filed by SYSMEX CORPORATION, Kobe (JP)
Filed on Sep. 23, 2020, as Appl. No. 17/029,933.
Claims priority of application No. 2019-173297 (JP), filed on Sep. 24, 2019.
Prior Publication US 2021/0088537 A1, Mar. 25, 2021
Int. Cl. G01N 33/86 (2006.01)

CPC G01N 33/86 (2013.01)

13 Claims

1. A method for measuring activated partial thromboplastin time, the method comprising:

mixing: a blood sample; a first reagent comprising ellagic acid and pyrogallol; and a second reagent comprising a calcium ion; and

measuring activated partial thromboplastin time using the mixture prepared in the mixing step.