ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,576, issued on Dec. 30, was assigned to HITACHI ENERGY LTD (Zurich, Switzerland).
"Stabilized polymer compositions" was invented by Linnea Petersson (Vasteras, Sweden), Henrik Hillborg (Vasteras, Sweden), Joakim Jambeck (Stockholm), Gang Zhang (State College, Pa.) and T.C. Mike Chung (State College, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polymer composition including: a) a polymer matrix; b) a polymeric antioxidant compatible with the polymer matrix, and having pendant phenol antioxidant moieties; and c) a mono- or oligo-functional phenol antioxidant. The invention further discloses film capacitors and power system components having su...