Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tatsuhiro Nagamatsu0
Yuki Iseki0
Katsuhiro Yamada0
Date of Patent
February 26, 2008
0Patent Application Number
112558670
Date Filed
October 24, 2005
0Patent Primary Examiner
Patent abstract
An ethylene-α-olefin copolymer having monomer units derived from ethylene and monomer units derived from an α-olefin of 3 to 20 carbon atoms, a density of 906 to 970 kg/m3, an activation energy of flow of 50 kJ/mol or more and a heat quantity of fusion of a cold xylene soluble part of 30 J/g or more, and satisfying specific relations among a rate of the cold xylene soluble part in the copolymer, the density, a melt flow rate and a characteristic relaxation time.
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