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. 26, 2016
Filed:
Jan. 19, 2012
Applicants:
Janne Laine, Espoo, FI;
Markus Korhonen, Espoo, FI;
Juha Merta, Vantaa, FI;
Inventors:
Assignee:
UPM-Kymmene Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 15/02 (2006.01); D21H 17/25 (2006.01); D21H 21/10 (2006.01); D21H 21/18 (2006.01); D21H 11/18 (2006.01);
U.S. Cl.
CPC ...
D21H 21/18 (2013.01); D21H 17/25 (2013.01); D21H 21/10 (2013.01); D21H 11/18 (2013.01);
Abstract
The invention relates to a method for improving strength and retention in the manufacture of paper. According to the invention, a composition containing microfibrillated cellulose is provided in a fiber suspension, and from 0.1 to 10 w-% of microfibrillated cellulose by mass of the fiber suspension is added to improve the strength and retention of the product to be formed. In addition, the invention relates to a corresponding paper product.