发明名称 |
Process for production of a dried carboxylic acid cake suitable for use in polyester production |
摘要 |
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 co-polyester production is obtained from a slurry or cake terephthalic acid product through the use of at least one counter current wash.
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申请公布号 |
US2005159616(A1) |
申请公布日期 |
2005.07.21 |
申请号 |
US20040758676 |
申请日期 |
2004.01.15 |
申请人 |
PARKER KENNY R.;LIN ROBERT;GIBSON PHILIP E. |
发明人 |
PARKER KENNY R.;LIN ROBERT;GIBSON PHILIP E. |
分类号 |
C07C51/47;C07C51/48;(IPC1-7):C07C51/42 |
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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