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:
Nov. 15, 2022
Filed:
Oct. 18, 2017
Applicant:
Domtar Paper Company, Llc, Fort Mill, SC (US);
Inventors:
Harshad Pande, Pointe-Claire, CA;
Bruno Marcoccia, Charlotte, NC (US);
Assignee:
Domtar Paper Company LLC, Fort Mill, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/20 (2006.01); D21H 17/67 (2006.01); D21H 25/00 (2006.01); D21H 21/10 (2006.01); D21D 1/20 (2006.01);
U.S. Cl.
CPC ...
D21H 17/675 (2013.01); D21D 1/20 (2013.01); D21H 11/20 (2013.01); D21H 21/10 (2013.01); D21H 25/005 (2013.01);
Abstract
The present invention relates to a method for preparing loaded paper pulp for use in the manufacture of paper or paper board. At least one process stream containing a plurality of unrefined pulp fibers and at least one process stream of at least one filler are combined in a refiner to form a loaded paper pulp composition having a plurality of surface enhanced pulp fibers that are loaded with particles of the at least one filler.