US Patent Issued to Covestro Deutschland on Sept. 23 for "Process of preparing a poly(anthranilide), poly(anthranilide) and its use" (German Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,350, issued on Sept. 23, was assigned to Covestro Deutschland AG (Leverkusen, Germany).

"Process of preparing a poly(anthranilide), poly(anthranilide) and its use" was invented by Karolina Walker (Cologne, Germany), Aurel Wolf (Wulfrath, Germany), Stefan Westhues (Leverkusen, Germany) and Mike Schuetze (Leverkusen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process of preparing a poly(anthranilamide) comprising the steps: (A) providing an anthranilate, and (B) reacting the anthranilate by polycondensation and separation of the alcohol on which the anthranilate is based in the presence of a catalyst to ...