US Patent 7063892 Aromatic liquid-crystalline polyester and film thereof
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Patent abstract
An aromatic liquid-crystalline polyester having a small dielectric loss in a wide frequency region is provided. An aromatic liquid-crystalline polyester is provided that can manufacture a film having a small volume expansion by heating. An aromatic liquid-crystalline polyester substantially comprising a repeating structural unit originating in 2-hydroxy-6-naphthoic acid 30 to 80 mol %, a repeating structural unit originating in aromatic diol 35 to 10 mol %, and a repeating structural unit originating in aromatic dicarboxylic acid 35 to 10 mol %.
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Patent Inventor Names
Satoshi Okamoto0
Shinji Ohtomo0
Tomoya Hosoda0
Date of Patent
June 20, 2006
0Patent Application Number
107366350
Date Filed
December 17, 2003
0Patent Primary Examiner
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US Patent 7063892 Aromatic liquid-crystalline polyester and film thereof
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