US 11,932,994 B2
Tissue paper with reduced fiber and methods of manufacture
Ronalds W. Gonzalez, Raleigh, NC (US); Franklin J. Zambrano, Raleigh, NC (US); Hasan Jameel, Raleigh, NC (US); Richard A. Venditti, Raleigh, NC (US); and Lokendra Pal, Raleigh, NC (US)
Assigned to North Carolina State University, Raleigh, NC (US)
Appl. No. 17/297,249
Filed by North Carolina State University, Raleigh, NC (US)
PCT Filed Nov. 27, 2019, PCT No. PCT/US2019/063540
§ 371(c)(1), (2) Date May 26, 2021,
PCT Pub. No. WO2020/112955, PCT Pub. Date Jun. 4, 2020.
Claims priority of provisional application 62/772,838, filed on Nov. 29, 2018.
Prior Publication US 2022/0064865 A1, Mar. 3, 2022
Int. Cl. D21H 27/00 (2006.01); D21H 11/18 (2006.01); D21H 21/10 (2006.01); B82Y 40/00 (2011.01)
CPC D21H 27/005 (2013.01) [D21H 11/18 (2013.01); D21H 21/10 (2013.01); B82Y 40/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A cellulose fiber slurry for use in the manufacture of a tissue paper, the cellulose fiber slurry comprising cellulose fibers that have been subjected to mechanical or chemical fibrillation of between about 1% to about 60% fiber dry weight of the cellulose fiber to a freeness level between about 50 mL Canadian Standard Freeness (CSF) and about 390 mL CSF; and a retention or drainage aid, wherein the cellulose fiber slurry has a freeness level greater than about 250 mL CSF.