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. 17, 2018
Filed:
May. 28, 2013
Applicants:
Södra Skogsägarna Ekonomisk Förening, Växjö, SE;
Lenzing Aktiengesellschaft, Lenzing, AT;
Inventors:
Johannes Bogren, Göteborg, SE;
Jim Parkås, Varberg, SE;
Gabriele Schild, Seewalchen, AT;
Andrea Borgards, Steinbach, AT;
Assignee:
SÖDRA CELL AKTIEBOLAG AB, Växjö, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/00 (2006.01); D21C 3/04 (2006.01); C08B 9/00 (2006.01); D21C 3/02 (2006.01); D21C 11/00 (2006.01); C08H 8/00 (2010.01); D21C 9/02 (2006.01); D21C 9/18 (2006.01); D21H 11/04 (2006.01);
U.S. Cl.
CPC ...
D21C 9/004 (2013.01); C08B 9/00 (2013.01); C08H 8/00 (2013.01); D21C 3/02 (2013.01); D21C 3/022 (2013.01); D21C 3/045 (2013.01); D21C 9/02 (2013.01); D21C 9/18 (2013.01); D21C 11/0007 (2013.01); D21C 11/0057 (2013.01); D21H 11/04 (2013.01);
Abstract
The invention relates to processes for manufacturing pulp and more specifically to improved processes for manufacturing dissolving pulp. The processes have primarily been developed to be used in connection with large scale kraft processes, i.e. they have been designed to be incorporated into a plant. A liquor derivable from the process and comprising xylan, lignin, alkali and water is also disclosed as well as a dissolving pulp produced by the process.