发明名称 |
Process for purification of p-isopropyl phenol |
摘要 |
A process for purifying p-isopropyl phenol (PIPP) by distilling the impure phenol at a pot temperature below about 475 DEG F. under sufficient vacuum to permit separation of a heart cut, and washing the separated heart cut with liquid hydrocarbon containing from about 5 to about 10 carbon atoms.
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申请公布号 |
US4247721(A) |
申请公布日期 |
1981.01.27 |
申请号 |
US19790091639 |
申请日期 |
1979.11.05 |
申请人 |
SUN OIL COMPANY OF PENNSYLVANIA |
发明人 |
RUGEN, DONALD F. |
分类号 |
C07C37/68;C07C37/72;C07C37/74;(IPC1-7):C07C37/74;C07C39/06 |
主分类号 |
C07C37/68 |
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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