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专利名称:Process for producing aromatic polyester发明人:Teramoto, Mitsuru,Kosuge, Masahiko申请号:EP98303153.5申请日:19980423公开号:EP0874015A1公开日:19981028
摘要:A process for producing an aromatic polyester by esterifying a dicarboxylic acidmainly composed of an aromatic dicarboxylic acid and a glycol mainly composed ofethylene glycol in the presence of 1 to 30 mmol%, based on the dicarboxylic acid, of aquaternary phosphonium sulfonate having ester-forming functional group(s), and thenpolycondensing the resulting product.
申请人:TEIJIN LIMITED
地址:6-7 Minamihommachi 1-chome, Chuo-ku Osaka-shi, Osaka 541-0054 JP
国籍:JP
代理机构:Votier, Sidney David
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