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:
Aug. 13, 2019
Filed:
Apr. 19, 2016
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Yuping Luo, Duluth, GA (US);
Jiang Li, Johns Creek, GA (US);
Thomas J. Lynch, Roswell, GA (US);
Jenna Sue Rabideau, Rydal, GA (US);
Scott Rosencrance, Douglasville, GA (US);
Assignee:
Kemira Oyj, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/20 (2006.01); D21H 17/37 (2006.01); D21H 21/18 (2006.01); D21H 17/26 (2006.01); D21H 17/42 (2006.01); D21H 17/66 (2006.01);
U.S. Cl.
CPC ...
D21H 21/20 (2013.01); D21H 17/26 (2013.01); D21H 17/37 (2013.01); D21H 17/42 (2013.01); D21H 17/66 (2013.01); D21H 21/18 (2013.01);
Abstract
The present disclosure relates to a method and composition for increasing wet and/or dry strength of a paper product. The method comprises adding a composition comprising at least one polymer having a molecular weight more than 0.5 million Dalton and a degradation agent to a pulp suspension, and forming said paper product.