发明名称 UN METODO DE PURIFICACION DE ALCOHOL B-FENILETILICO BRUTO
摘要 <p>A method of purification of crude beta -phenylethyl alcohol to give a highly pure beta -phenylethyl alcohol suitable as a perfume, which comprises subjecting the crude beta -phenylethyl alcohol to azeotropic distillation in the presence of an azeotropic solvent selected from water, an alkylene glycol, an alkylene glycol monoalkyl ether and a mixture of two or more kinds of these solvents, or extractive distillation in the presence of an extractive solvent selected from glycerine, an alkylene glycol, a polyalkylene glycol, an alkylene glycol monoalkyl ether, a polyalkylene glycol monoalkyl ether and a mixture of two or more kinds of these solvents.</p>
申请公布号 ES495961(D0) 申请公布日期 1981.10.01
申请号 ES19800495961 申请日期 1980.10.15
申请人 SUMITOMO CHEMICAL COMPANY,LIMITED 发明人
分类号 C07C29/80;C07C29/82;C07C29/84;(IPC1-7):07C39/19;61K7/46 主分类号 C07C29/80
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