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:
Jun. 13, 2023
Filed:
May. 04, 2020
Applicant:
Mercer International Inc., Vancouver, CA;
Inventor:
Tobias Ziegenbein, Vancouver, CA;
Assignee:
Mercer International Inc., Vancouver, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 27/30 (2006.01); D21H 11/08 (2006.01); D21H 11/18 (2006.01); D21H 15/02 (2006.01); D21H 27/00 (2006.01); D21F 11/14 (2006.01); D21H 11/02 (2006.01); D21H 17/44 (2006.01); D21H 21/20 (2006.01); B32B 29/00 (2006.01);
U.S. Cl.
CPC ...
D21H 27/30 (2013.01); B32B 29/005 (2013.01); D21F 11/14 (2013.01); D21H 11/02 (2013.01); D21H 11/08 (2013.01); D21H 11/18 (2013.01); D21H 15/02 (2013.01); D21H 17/44 (2013.01); D21H 21/20 (2013.01); D21H 27/002 (2013.01); D21H 27/005 (2013.01); B32B 2250/02 (2013.01); B32B 2307/54 (2013.01); B32B 2317/12 (2013.01); B32B 2554/00 (2013.01);
Abstract
A differential density paper product comprising at least one paper web is disclosed. The paper product has: (a) from about 20% to about 90% by weight of the dry fiber basis of the paper product of a refined soft wood pulp fiber mixture, (b) pulp fibers selected from the group consisting of hard wood fibers, non-wood fibers, recycled fibers, synthetic polymer fibers, bleached eucalyptus kraft fibers, and combinations thereof; and, (c) not more than about 10% by weight moisture.