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:
Jan. 29, 2019
Filed:
Sep. 19, 2016
Board of Regents, the University of Texas System, Austin, TX (US);
Virginia Tech Intellectual Properties, Inc., Blacksburg, VA (US);
James E. McGrath, Blacksburg, VA (US);
Judy S. Riffle, Blacksburg, VA (US);
Benny D. Freeman, Austin, TX (US);
Board of Regents, The University of Texas System, Austin, TX (US);
Virginia Tech Intellectual Properties, Inc., Blacksburg, VA (US);
Abstract
Disclosed are polybenzimidazoles containing sulfonyl groups. The polymers can be synthesized in Eaton's reagent from 3,3',4,4′-tetraaminodiphenylsulfone, which itself can be synthesized from 4,4′-dichlorodiphenylsulfone. Methods of synthesizing the polymers are disclosed. The disclosed polymers can be used for high temperature H/COseparation membranes and other uses.