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:
Jul. 11, 2017
Filed:
Aug. 21, 2013
Applicant:
Upm-kymmene Corporation, Helsinki, FI;
Inventors:
Assignee:
UPM-KYMMENE CORPORATION, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/20 (2006.01); D21H 11/18 (2006.01); D21H 21/18 (2006.01); D21H 17/29 (2006.01); D21H 17/67 (2006.01); D21H 17/25 (2006.01); D21H 17/66 (2006.01); D21H 17/68 (2006.01);
U.S. Cl.
CPC ...
D21H 11/20 (2013.01); D21H 11/18 (2013.01); D21H 17/25 (2013.01); D21H 17/29 (2013.01); D21H 17/66 (2013.01); D21H 17/675 (2013.01); D21H 17/68 (2013.01); D21H 21/18 (2013.01);
Abstract
Paper product is made starting from aqueous furnish containing fibers and filler. Anionically charged nanofibrillar cellulose and cationic strength additive are added to the aqueous furnish, and the furnish is made to a paper product by dewatering the furnish. Filler content of the paper product can be increased above 40 wt-%.