Ethylene-α-olefin copolymer

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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Details

C526S348200, C526S348300, C526S348400, C526S348500, C526S348600, C526S352200, C528S396000

Reexamination Certificate

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07339019

ABSTRACT:
A 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/m3and an activation energy of flow of 50 kJ/mol or more, and satisfying specific relations among a melt complex viscosity, a melt flow rate and a characteristic relaxation time.

REFERENCES:
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patent: 6586356 (2003-07-01), Takaoki et al.
patent: 6867277 (2005-03-01), Iseki
patent: 7125946 (2006-10-01), Iseki et al.
patent: 7141639 (2006-11-01), Iseki et al.
patent: 2004/0030082 (2004-02-01), Iseki
patent: 2005/0098927 (2005-05-01), Iseki et al.
patent: 2005/0192417 (2005-09-01), Iseki et al.
patent: 103 39 987 (2004-03-01), None

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