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. 28, 2017
Filed:
Sep. 22, 2014
Applicant:
Upm-kymmene Corporation, Helsinki, FI;
Inventors:
Mika Kosonen, Lappeenranta, FI;
Mika Raty, Saimaanharju, FI;
Assignee:
UPM-KYMMENE CORPORATION, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 17/66 (2006.01); D21H 11/18 (2006.01); D21H 17/25 (2006.01); D21H 17/29 (2006.01); D21H 21/10 (2006.01); D21H 23/04 (2006.01);
U.S. Cl.
CPC ...
D21H 11/18 (2013.01); D21H 17/25 (2013.01); D21H 17/29 (2013.01); D21H 17/66 (2013.01); D21H 21/10 (2013.01); D21H 23/04 (2013.01);
Abstract
The invention relates to a method for preparing aqueous furnish to be used in paper product manufacturing. In the method aqueous furnish is prepared by making a fiber suspension, and cationic natural polymer (S), alum (A) and anionic nanofibrillar cellulose (F) are added to the aqueous furnish in a short circulation of a paper or board machine.