发明名称 Purification of alpha-bisabolol from plants - by alkaline extraction reducing odour for use in cosmetics
摘要 <p>Strong smelling natural alpha-bisabolol is purified by treatment with alkaline hydroxides, alcoholates, carbonates, bicarbonates, alkaline earth hydroxides, oxides or aluminium hydroxide. The alpha-bisabolol is treated with gaseous nitrogen before alkaline treatment. Treatment with active carbon may also be included with chromatographic or vacuum distillation. The prod. is used for fixing perfumes in cosmetics.</p>
申请公布号 IT1059690(B) 申请公布日期 1982.06.21
申请号 IT19740052938 申请日期 1974.09.09
申请人 DEUTSCHE GOLD & SILBER SCHEIDEANSTALT VORMALS ROESSLER O 发明人
分类号 C07C;(IPC1-7):07C/ 主分类号 C07C
代理机构 代理人
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