US Patent Issued to BASF on Aug. 25 for "Copolyamide and polymer film containing at least one diamine, a dicarboxylic acid and 1,5-diamino-3-oxapentane" (German Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,963, issued on Aug. 25, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).

"Copolyamide and polymer film containing at least one diamine, a dicarboxylic acid and 1,5-diamino-3-oxapentane" was invented by Rolf Minkwitz (Ludwigshafen am Rhein, Germany) and Florian Richter (Ludwigshafen am Rhein, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a copolyamide (CoPA) produced by polymerizing a first monomer mixture (M1) and a second monomer mixture (M2), where the second monomer mixture (M2) comprises 1,5-diamino-3-oxapentane. The present invention further relates to polymer film comprising the at least one c...