发明名称 |
Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
摘要 |
The present invention relates to a process by which a carboxylic acid/diol mixture is obtained from a slurry or cake carboxylic acid product without isolation of a substantially dry carboxylic acid solid. More specifically, the present invention relates to a process by which a terephthalic acid/ethylene glycol mixture suitable as a starting material for polyester or co-polyester production is obtained from a slurry or cake terephthalic acid product without isolation of a substantially dry terephthalic acid solid.
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申请公布号 |
US2005159617(A1) |
申请公布日期 |
2005.07.21 |
申请号 |
US20050076839 |
申请日期 |
2005.03.10 |
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 |
C07C51/43;C07C51/47;C07C51/487;C07C67/08;C08G63/78;(IPC1-7):C07C51/255 |
主分类号 |
C07C51/43 |
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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