The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2024
Filed:
Aug. 30, 2022
Applicant:
Domtar Paper Company, Llc, Fort Mill, SC (US);
Inventors:
Assignee:
DOMTAR PAPER COMPANY, LLC, Fort Mill, SC (US);
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/10 (2006.01); D21D 1/00 (2006.01); D21H 15/02 (2006.01); D21H 25/00 (2006.01); D21H 27/00 (2006.01);
U.S. Cl.
CPC ...
D21H 11/10 (2013.01); D21D 1/00 (2013.01); D21H 15/02 (2013.01); D21H 25/005 (2013.01); D21H 27/002 (2013.01); D21H 27/007 (2013.01);
Abstract
Paper products such as tissues can be made using a furnish comprising surface enhanced pulp fibers ('SEPF'). In some embodiments, SEPF have a weighted average fiber length of at least 0.3 millimeters (mm) and an average hydrodynamic specific surface area of at least 10 square meters per gram (m/g). In some embodiments, a furnish or a paper product can comprise at least 2% SEPF by dry weight. In some embodiments, a paper product comprising SEPF can be formed from a furnish having a freeness of 650 ml Canadian Standard Freeness (CSF) or less, optionally 600 ml CSF or less.