US Patent 8721921 Liquid crystal polyester composition
Patent 8721921 was granted and assigned to Sumitomo Chemical on May, 2014 by the United States Patent and Trademark Office.
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Patent abstract
To provide a liquid crystal polyester composition that yields compacts that are resistant to cracking. A plate-like filler with a volume-average particle size of 14 μm or greater and a fibrous filler are combined with a liquid crystal polyester to form a liquid crystal polyester composition. The total content of the plate-like filler and the fibrous filler is 45-55 wt % with respect to the total of the liquid crystal polyester composition. The weight ratio of the fibrous filler content to the plate-like filler content is greater than 0.5 and not greater than 0.65.
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Patent Inventor Names
Shintaro Komatsu0
Yoshiyuki Fukuhara0
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US Patent 08721921 Liquid crystal polyester composition US Patent 8721921 Liquid crystal polyester composition
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Patent Number
087219210
Patent Number
87219210
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Official Website
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Current Assignee
Patent Jurisdiction
Patent Number
087219210
Date of Patent
May 13, 2014
0Patent Application Number
132807440
Date Filed
October 25, 2011
0Official Website
Patent Primary Examiner
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US Patent 08721921 Liquid crystal polyester composition
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Is a
Current assignee
Patent jurisdiction
Patent number
08721921
Date of patent
May 13, 2014
Patent application number
13280744
Date Filed
October 25, 2011
Patent primary examiner
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