US Patent 7141639 Ethylene copolymer
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Patent Inventor Names
Tadahiro Mitsuno0
Yasuro Suzuki0
Yuki Iseki0
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Patent abstract
An object of the present invention is to provide an ethylene-α-olefin copolymer excellent in extrusion molding processability and in the balance between the appearance and impact strength. This object is achieved by a copolymer of ethylene and α-olefin of from 4 to 20 carbon atoms having melt flow rate (MFR; unit is g/10 minutes), melt tension at 190° C. (MT; unit is cN), intrinsic viscosity ([η]; unit is dl/g), the chain length A and characteristic relaxation time at 190° C. (τ; unit is sec) which satisfy the specific relations.
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US Patent 07141639 Ethylene copolymer US Patent 7141639 Ethylene copolymer
Infobox
Patent Number
071416390
Patent Number
71416390
Edits on 6 Apr, 2023
Golden AI
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Patent Jurisdiction
Patent Number
071416390
Date of Patent
November 28, 2006
0Patent Application Number
106500350
Date Filed
August 28, 2003
0Official Website
Patent Primary Examiner
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US Patent 07141639 Ethylene copolymer
Infobox
Is a
Patent jurisdiction
Patent number
07141639
Date of patent
November 28, 2006
Patent application number
10650035
Date Filed
August 28, 2003
Patent primary examiner
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