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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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