The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
Apr. 27, 2018
Applicant:
Hitachi Energy Ltd, Zürich, CH;
Inventors:
Linnea Petersson, Västerås, SE;
Henrik Hillborg, Västerås, SE;
Joakim Jämbeck, Stockholm, SE;
Gang Zhang, State College, PA (US);
T.C. Mike Chung, State College, PA (US);
Assignee:
HITACHI ENERGY LTD, Zürich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/12 (2006.01); C08L 23/14 (2006.01); H01B 3/30 (2006.01); H01G 4/18 (2006.01);
U.S. Cl.
CPC ...
C08L 23/12 (2013.01); C08L 23/14 (2013.01); H01B 3/30 (2013.01); H01G 4/18 (2013.01); C08L 2201/08 (2013.01); C08L 2203/20 (2013.01); C08L 2205/025 (2013.01);
Abstract
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 such polymer compositions.