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. 29, 2015
Filed:
Jul. 03, 2013
Dow Global Technologies Llc, Midland, MI (US);
Jasson T. Patton, Midland, MI (US);
Bryan E. Barton, Midland, MI (US);
Mark T. Bernius, Bowling Green, OH (US);
Xiaoyun Chen, Midland, MI (US);
Eric J. Hukkanen, Midland, MI (US);
Christina A. Rhoton, Beaverton, MI (US);
Zenon Lysenko, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
Disclosed here are processes for preparing carbonized polymers (preferably carbon fibers), comprising sulfonating a polymer with a sulfonating agent that comprises SOdissolved in a solvent to form a sulfonated polymer; treating the sulfonated polymer with a heated solvent, wherein the temperature of the solvent is at least 95° C.; and carbonizing the resulting product by heating it to a temperature of 500-3000° C. Carbon fibers made according to these methods are also disclosed herein.