ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,220, issued on May 12, was assigned to DENKA COMPANY Ltd. (Tokyo).
"Composition and cured product thereof" was invented by Toru Arai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A varnish having low viscosity and a cured product thereof having a high degree of cross-linking, exhibiting excellent low dielectric properties and mechanical properties at high temperature, and a low coefficient of linear thermal expansion are provided. A varnish comprising an olefin-aromatic vinyl compound-aromatic polyene copolymerized oligomer satisfying specific conditions, one or more selected from the following (a) to (c), and (d) a solvent: (a) a curing agen...