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. 17, 2014
Filed:
Sep. 22, 2011
Applicant:
Marc Sabourin, Beavercreek, OH (US);
Inventor:
Marc Sabourin, Beavercreek, OH (US);
Assignee:
Andritz Technology and Asset Management GmbH, Graz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21B 1/12 (2006.01); D21B 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods of producing mechanical pulps from lignocellulosic material including partial defibration of lignocellulosic material in a chip press followed by liquid impregnation, preheating the lignocellulosic material for 20 seconds or less at a pressure between 7.5 and 12 bar (gauge) prior to mechanically refining the lignocellulosic material in a primary mechanical refiner at a pressure between 7.5 and 12 bar (gauge), thus obtaining a high freeness pulp.
Sabourin, Marc. (2014). Methods for producing high-freeness pulp (U.S. Patent No. 8753476). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8753476
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile