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. 28, 2020
Filed:
Mar. 11, 2016
Applicant:
Andritz Inc., Glens Falls, NY (US);
Inventors:
Antti Luukkonen, Beavercreek, OH (US);
Christian Radhuber, Weigelsdorf, AT;
Assignee:
Andritz Inc., Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 3/26 (2006.01); D21C 3/00 (2006.01); D21C 7/06 (2006.01); D21C 9/02 (2006.01); D21C 9/10 (2006.01);
U.S. Cl.
CPC ...
D21C 3/26 (2013.01); D21C 3/00 (2013.01); D21C 7/06 (2013.01); D21C 9/02 (2013.01); D21C 9/10 (2013.01);
Abstract
A system and process of producing pulp from lignocellulosic material after the lignocellulosic material has undergone compression (pressurization), maceration and removal of extractives produced during compression and maceration followed by chemical addition, fiberization, digestion (cooking) and further mechanical refining.