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:
May. 08, 2012
Filed:
Feb. 21, 2008
Applicants:
Per Tomani, Huddinge, SE;
Fredrik Öhman, Gävle, SE;
Hans Theliander, Göteborg, SE;
Peter Axegard, Solna, SE;
Inventors:
Per Tomani, Huddinge, SE;
Fredrik Öhman, Gävle, SE;
Hans Theliander, Göteborg, SE;
Peter Axegard, Solna, SE;
Assignee:
LignoBoost AB, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 11/00 (2006.01); C07G 1/00 (2011.01); C08H 7/00 (2011.01); C08L 97/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for controlling the sodium and sulphur balance of a pulp mill while separating lignin from black liquor, and also a lignin product or an intermediate lignin product obtainable by the method. The present invention also provides use of a lignin product or an intermediate lignin product for the production of fuel (solid, gaseous or liquid) or materials.