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:
Aug. 08, 2023
Filed:
Sep. 05, 2018
Technische Universitaet Wien, Vienna, AT;
Miriam Margarethe Unterlass, Vienna, AT;
Michael J. Taublaender, Wiesen, AT;
Sophia Thiele, Vienna, AT;
TECHNISCHE UNIVERSITÄT WIEN, Vienna, AT;
Abstract
The invention relates to a method for preparing polybenzimidazoles of formula (1) or (2) below, wherein n is ≥2: by polycondensation of corresponding dicarboxylic acids or dialdehydes and tetraamines by jointly heating the reactants, characterized in that the preparation of polybenzimidazoles of formula (1) or (2) is carried out by using the dialdehydes as starting material and substantially without the formation of any intermediates, wherein
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile