发明名称 PROCESS FOR PRODUCTION OF A DRIED CARBOXYLIC ACID CAKE SUITABLE FOR USE IN POLYESTER PRODUCTION
摘要 <p>The present invention relates to a process by which a dried carboxylic acid cake is obtained from a slurry or cake carboxylic acid product through the use of at least one counter current wash. More specifically, the present invention relates to a process by which a dried terephthalic acid cake suitable as a starting material for polyester or co­polyester production is obtained from a slurry or cake terephthalic acid product through the use of at least one counter current wash.</p>
申请公布号 WO2005070862(A2) 申请公布日期 2005.08.04
申请号 WO2005US00696 申请日期 2005.01.10
申请人 EASTMAN CHEMICAL COMPANY 发明人 PARKER, KENNY, RANDOLPH;LIN, ROBERT;GIBSON, PHILIP, EDWARD
分类号 C07C51/47;C07C51/48;(IPC1-7):C07C51/00 主分类号 C07C51/47
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