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:
Sep. 04, 2018
Filed:
Mar. 31, 2015
Japan Polyethylene Corporation, Toyko, JP;
Yoshiyuki Ishihama, Mie, JP;
Ryotaro Harada, Mie, JP;
Masaru Aoki, Mie, JP;
Kenji Iiba, Mie, JP;
Kazushi Kodama, Kanagawa, JP;
Hiroto Hayashi, Kanagawa, JP;
JAPAN POLYETHYLENE CORPORATION, Tokyo, JP;
Abstract
[Problem] To provide an ethylene-α-olefin copolymer that is highly effective in improving the molding properties of polyolefin resins, improving the balance between impact strength and stiffness, and improving transparency. [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.