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::: 可授權專利

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創作型式：
發明
專利證號：
US7599525B2
發明人：
林添根、林宸生、葉茂勳、游承峰、王俊強
國別：
美國
獲證日期：
2009/10/06
專利摘要：
A method for purifying Piribedil includes mixing Piribedil solid having a purity of 98% by weight with water, boiling the mixture, adding slowly 95% ethanol to the boiling mixture to form a clear liquid, filtering the hot clear liquid, cooling the filtrate to obtain a white crystal having a purity of 99.8% by weight of Piribedil.
IPC國際分類號：
C07D040714