	US 12,290,602 B2
	Cellulose powder, use thereof, and tablets
Tadahiro Kumagai, Tokyo (JP); Kaede Tamari, Tokyo (JP); and Naoya Yoshida, Tokyo (JP)
Assigned to ASAHI KASEI KABUSHIKI KAISHA, Tokyo (JP)
Appl. No. 17/415,403
Filed by ASAHI KASEI KABUSHIKI KAISHA, Tokyo (JP)
PCT Filed Aug. 27, 2019, PCT No. PCT/JP2019/033506 § 371(c)(1), (2) Date Jun. 17, 2021, PCT Pub. No. WO2020/136995, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 2018-245362 (JP), filed on Dec. 27, 2018; and application No. 2018-245363 (JP), filed on Dec. 27, 2018.
Prior Publication US 2022/0062182 A1, Mar. 3, 2022
Int. Cl. A61K 9/20 (2006.01); A61K 31/433 (2006.01); A61K 31/496 (2006.01)

CPC A61K 9/2054 (2013.01) [A61K 9/2013 (2013.01); A61K 9/2018 (2013.01); A61K 9/2031 (2013.01); A61K 31/433 (2013.01); A61K 31/496 (2013.01)]

14 Claims

1. A cellulose powder comprising a cellulose-derived alkali-soluble substance capable of dissolving in 17.5% by mass of aqueous sodium hydroxide solution, the content of the cellulose-derived alkali-soluble substance being 32% by mass or more and 44% by mass or less with respect to the total mass of the cellulose powder, wherein

an aerated bulk density of the cellulose powder is 0.12 g/cc to 0.24 g/cc.