ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,883, issued on Aug. 12, was assigned to ARKEMA FRANCE (Puteaux, France).
"Method for the production of transparent polyamides" was invented by Thierry Briffaud (Serquigny, France), Benjamin Saillard (Serquigny, France), Stefania Cassiano Gaspar (Serquigny, France), Joel Verger (Serquigny, France) and Fabienne Olivier-Chanu (Serquigny, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for manufacturing a transparent polyamide including a step of polycondensation of a mixture of monomers including at least one dicarboxylic acid and at least one cycloaliphatic diamine, in which the cycloaliphatic diamine includes two rings linked by an al...