发明名称 Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
摘要 <p>A method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane comprising: crystallizing a phenol adduct of 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane from a solution comprising 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane and phenol; washing the phenol adduct with a washing solution comprising phenol and water; decomposing by heating the washed phenol adduct in an aqueous solvent to remove phenol from the phenol adduct, thereby obtaining pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane.</p>
申请公布号 EP1557405(A1) 申请公布日期 2005.07.27
申请号 EP20050000053 申请日期 2005.01.04
申请人 HONSHU CHEMICAL CO., LTD. 发明人 YAO, KAZUHIKO;EKAWA, KENJI
分类号 C07C37/84;C07C39/17;(IPC1-7):C07C37/84 主分类号 C07C37/84
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