US Patent Issued to PROMERUS on Sept. 22 for "Dual catalyst system for mass vinyl addition and cationic polymerizable compositions" (Ohio Inventor)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,041, issued on Sept. 22, was assigned to PROMERUS LLC (Akron, Ohio).

"Dual catalyst system for mass vinyl addition and cationic polymerizable compositions" was invented by Guodong Deng (Akron, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments in accordance with the present invention encompass compositions comprising an organopalladium compound, a photoacid generator, a photosensitizer, one or more epoxy group containing olefinic monomers. The compositions of this invention may additionally contain one or more olefinic monomers and a stabilizer, such as for example a hindered amine. The compositions undergo simultaneous vinyl addition ...