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. 29, 2016
Filed:
Dec. 17, 2014
Applicant:
Upm-kymmene Corporation, Helsinki, FI;
Inventors:
Janne Laine, Espoo, FI;
Monika Ă–sterberg, Espoo, FI;
Delphine Miquel, Houillles, FR;
Leila Pohjola, Tervalampi, FI;
Irmeli Sinisalo, Lappeenranta, FI;
Harri Kosonen, Lappeenranta, FI;
Assignee:
UPM-KYMMENE CORPORATION, Helsinki, FI;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21H 17/69 (2006.01); D21H 11/18 (2006.01); D21H 17/00 (2006.01); D21H 17/67 (2006.01);
U.S. Cl.
CPC ...
D21H 17/69 (2013.01); D21H 11/18 (2013.01); D21H 17/74 (2013.01); D21H 17/67 (2013.01);
Abstract
A method for preparing aqueous furnish to be used in paper or paper board manufacturing. Filler and/or fibers are treated with cationic polyelectrolyte and nanofibrillated cellulose. The strength of the paper and the retention of the fillers in paper can be improved. A furnish prepared by a method, and a paper or a paper board manufactured from the furnish.