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. 29, 2009
Filed:
Sep. 27, 2007
Applicants:
Yasutoyo Kawashima, Ichihara, JP;
Katsuhiro Yamada, Chiba, JP;
Yoshinobu Nozue, Ichihara, JP;
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ethylene-α-olefin copolymer comprising repeating units derived from ethylene and repeating units derived from an α-olefin having 3 to 20 carbon atoms and having a melt flow rate (MFR) of from 0.01 to 100 g/10 min, a density (d) of from 890 to 970 kg/m, a flow activation energy (Ea) of 50 kJ/mol or more, a molecular weight distribution (Mw/Mn) of 3 or more measured by gel permeation chromatography, and a hexane extraction rate (C) of 2.8% or less.