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:
Dec. 31, 2013
Filed:
Mar. 08, 2010
Applicant:
Lars Stigsson, Bjärred, SE;
Inventor:
Lars Stigsson, Bjärred, SE;
Assignee:
Kiram AB, Bjarred, SE;
Primary Examiner:
Int. Cl.
CPC ...
D21C 11/00 (2006.01); C08B 16/00 (2006.01); D01F 2/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a process for manufacturing shaped cellulose materials from lignocellulose where a dissolving grade pulp is manufactured and dissolved in an aqueous alkaline or acidic solvent system forming a solution suitable for shaping new cellulose structures including fibers, films and cellulose derivatives. At least a part of the spent cellulose dissolving or cellulose shaping chemicals are recovered in one or more unit operations in a pulp mill chemical recovery cycle.