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:
Mar. 26, 2019
Filed:
Nov. 05, 2014
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Laura Nousiainen, Imatra, FI;
Petteri Kostiainen, Huhmari, FI;
Petteri Saarinen, Jarvenpää, FI;
Jan-Erik Nordström, Nacka, FI;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 5/14 (2006.01); D21C 9/18 (2006.01); C08B 15/02 (2006.01); D21F 3/00 (2006.01); D21H 11/18 (2006.01); C08B 15/00 (2006.01);
U.S. Cl.
CPC ...
D21C 9/18 (2013.01); C08B 15/00 (2013.01); C08B 15/02 (2013.01); D21F 3/00 (2013.01); D21H 11/18 (2013.01); F26B 5/14 (2013.01);
Abstract
The present invention relates to a process for dewatering a slurry comprising a microfibrillated cellulose wherein the process comprises the following steps of providing a slurry comprising a microfibrillated cellulose and a liquid, subjecting the slurry to a first mechanical pressure in order to dewater the slurry, and subjecting the slurry to a second mechanical pressure which second pressure is higher than the first pressure.