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:
May. 08, 2018
Filed:
Mar. 31, 2015
Applicant:
Japan Polyethylene Corporation, Tokyo, JP;
Inventors:
Yoshiyuki Ishihama, Mie, JP;
Ryotaro Harada, Mie, JP;
Masaru Aoki, Mie, JP;
Kenji Iiba, Mie, JP;
Kazushi Kodama, Kanagawa, JP;
Hiroto Hayashi, Kanagawa, JP;
Assignee:
JAPAN POLYETHYLENE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/16 (2006.01); C08F 210/02 (2006.01); C08F 4/6592 (2006.01); C08L 23/08 (2006.01); C08J 5/18 (2006.01); C08F 210/14 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); C08F 210/14 (2013.01); C08J 5/18 (2013.01); C08L 23/0815 (2013.01); C08F 4/65927 (2013.01); C08J 2323/08 (2013.01);
Abstract
[Problem] To provide an ethylene-α-olefin copolymer having high mechanical strength and good molding properties. [Solution] Provided is an ethylene-α-olefin copolymer having a specific MFR, a specific density, and a specific molecular weight distribution, containing a suitable amount of a long-chain branching structure characterized by a branching index, and having a specific composition distribution structure characterized by solvent fractionation behavior.