	US 12,084,563 B2
	Refined cellulose fiber composition
Ulla Jansson, Karlstad (SE); Anders Moberg, Hammarö (SE); and Kaj Backfolk, Villmanstrand (FI)
Assigned to Stora Enso OYJ, Helsinki (FI)
Appl. No. 17/597,317
Filed by Stora Enso OYJ, Helsinki (FI)
PCT Filed Jun. 30, 2020, PCT No. PCT/IB2020/056160 § 371(c)(1), (2) Date Jan. 3, 2022, PCT Pub. No. WO2021/001751, PCT Pub. Date Jan. 7, 2021.
Claims priority of application No. 1950843-1 (SE), filed on Jul. 4, 2019.
Prior Publication US 2022/0363871 A1, Nov. 17, 2022
Int. Cl. C08L 1/02 (2006.01); D21C 9/00 (2006.01); D21H 11/02 (2006.01); D21H 11/18 (2006.01); D21H 21/18 (2006.01); D21H 21/52 (2006.01); D21H 27/30 (2006.01)

CPC C08L 1/02 (2013.01) [D21C 9/007 (2013.01); D21H 11/02 (2013.01); D21H 11/18 (2013.01); D21H 21/18 (2013.01); D21H 21/52 (2013.01); D21H 27/30 (2013.01)]

7 Claims

1. A refined cellulose fiber composition,

wherein the refined cellulose fiber composition has a Schopper-Riegler (SR) number in the range of 80-98 as determined by standard ISO 5267-1, and

wherein the refined cellulose fiber composition has a content of fibers having a length >0.2 mm in a range of 15 to 40 million fibers per gram based on a dry weight; and

wherein said refined cellulose fibers are refined softwood cellulose fibers.