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:
Jun. 07, 2016
Filed:
Nov. 12, 2012
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Alois Kindler, Gruenstadt, DE;
Mari Granstroem, Mannheim, DE;
Hubertus Kroener, Neustadt, DE;
Holger Kern, Kirchardt, DE;
Assignee:
KEMIRA OYJ, Helsinki, FI;
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/16 (2006.01); D21H 17/17 (2006.01); D21H 23/04 (2006.01);
U.S. Cl.
CPC ...
D21H 21/16 (2013.01); D21H 17/17 (2013.01); D21H 23/04 (2013.01);
Abstract
AKD cellulosic composition obtainable by flowing a stream of a cellulosic suspension through a shearing device and in which a molten alkyl ketene dimer (AKD) is metered in to the stream of cellulosic suspension in or prior to the shearing device. The AKD cellulosic composition is particularly suitable in the manufacture of sized paper and paperboard.