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. 04, 2021
Filed:
Feb. 01, 2017
Applicant:
Deutsche Institute Fur Textil-und Faserforschung, Denkendorf, DE;
Inventors:
Falko Abels, Roemerberg, DE;
Martin Merger, Frankenthal, DE;
Tomasz Cwik, Mannheim, DE;
Klemens Massonne, Bad Duerkheim, DE;
Johanna Sporl, Stuttgart, DE;
Frank Hermanutz, Leonberg, DE;
Michael R. Buchmeiser, Remshalden, DE;
Assignee:
DEUTSCHE INSTITUTE FURTEXTIL-UND FASERFORSCHUNG DENKENDORF, Denkendorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 9/16 (2006.01); D01F 2/00 (2006.01); D01F 2/02 (2006.01); D01F 11/02 (2006.01); D06M 13/256 (2006.01); D06M 101/06 (2006.01);
U.S. Cl.
CPC ...
D01F 9/16 (2013.01); D01F 2/00 (2013.01); D01F 2/02 (2013.01); D01F 11/02 (2013.01); D06M 13/256 (2013.01); D06M 2101/06 (2013.01);
Abstract
The invention relates to a process for producing carbon fibers from cellulosic fibers, characterized in that cellulosic fibers, which contain a sulfonic acid salt of formula (I), wherein Rrepresents a hydrocarbon group and Krepresents a cation, are converted into carbon fibers.