ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,935, issued on March 4, was assigned to HRL Laboratories LLC (Malibu, Calif.).
"Closed-loop thermoset polymers with improved processibility and tunable degradation" was invented by Ashley Dustin (Santa Monica, Calif.), Andrew Nowak (Los Angeles) and Jason Graetz (Calabasas, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed technology provides a vitrimeric poly(diketoenamine) network comprising: a plurality of multifunctional triketone dimers; a plurality of multifunctional amine species containing primary or secondary amine groups, but no tertiary amine groups; and optionally, one or more amine-reactive groups. The disclosed techno...