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:
Feb. 25, 2025
Filed:
Oct. 06, 2016
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Niklas Garoff, Skarholmen, SE;
Robert Protz, Potsdam, DE;
Jens Erdmann, Berlin, DE;
Johannes Ganster, Potsdam, DE;
Andre Lehmann, Potsdam, DE;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 11/02 (2006.01); C08L 1/02 (2006.01); C08L 97/00 (2006.01); D01F 2/00 (2006.01); D01F 9/00 (2006.01); D01F 9/16 (2006.01); D01F 9/17 (2006.01); D01F 9/22 (2006.01); D01F 11/00 (2006.01); D06M 13/127 (2006.01); D06M 13/144 (2006.01); D06M 13/224 (2006.01); D06M 13/35 (2006.01);
U.S. Cl.
CPC ...
D01F 11/02 (2013.01); C08L 1/02 (2013.01); C08L 97/005 (2013.01); D01F 2/00 (2013.01); D01F 9/00 (2013.01); D01F 9/16 (2013.01); D01F 9/17 (2013.01); D01F 11/00 (2013.01); D06M 13/127 (2013.01); D06M 13/144 (2013.01); D06M 13/224 (2013.01); D06M 13/35 (2013.01); D01F 9/22 (2013.01);
Abstract
The present invention relates to a method for manufacturing precursor yarn comprising lignin, which may be further processed into intermediate carbon fibers and finally also carbon fibers. It also relates to carbon fibers and uses of said fibers. Said method involves applying a water-free spin finish.