US Patent 7511113 Oligomeric hydroxy arylether phthalonitiles and synthesis thereof
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Patent Inventor Names
Dawn D. Dominguez0
Teddy M. Keller0
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Patent abstract
An aromatic ether oligomer or polyaromatic ether comprising the formula:O—Arn;wherein Ar is an independently selected divalent aromatic radical; formed by reacting a dihydroxyaromatic with a dihaloaromatic; and wherein the reaction is performed in the presence of a copper compound and cesium carbonate. The polyaromatic ether is formed when neither the dihydroxyaromatic nor the dihaloaromatic is present in an excess amount. The aromatic ether oligomer is formed by using an excess of either dihydroxyaromatic or dihaloaromatic. A phthalonitrile monomer comprising the formula:
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US Patent 07511113 Oligomeric hydroxy arylether phthalonitiles and synthesis thereof US Patent 7511113 Oligomeric hydroxy arylether phthalonitiles and synthesis thereof
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Patent Number
075111130
Patent Number
75111130
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Patent Number
075111130
Date of Patent
March 31, 2009
0Patent Application Number
108082640
Date Filed
March 17, 2004
0Official Website
Patent Primary Examiner
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US Patent 07511113 Oligomeric hydroxy arylether phthalonitiles and synthesis thereof
Infobox
Is a
Patent jurisdiction
Patent number
07511113
Date of patent
March 31, 2009
Patent application number
10808264
Date Filed
March 17, 2004
Patent primary examiner
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