Polymorphs of 6-beta-naltrexol

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专利权人:

Jian Bao

发明人:

Jian Bao,Gary A. Nichols

申请号：

US12563295

公开号：

US08227483B2

申请日:

2009.09.21

申请国别(地区):

US

年份:

2012

代理人:

摘要：

The present invention provides polymorphs of 6-beta-naltrexol and process for their preparation. In particular, the present invention provides crystalline forms of the free base of 6-beta-naltrexol and processes for their preparation. The present invention also provides crystalline and amorphous forms of the hydrochloride salt of 6-beta-naltrexol and processes for their preparation.

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中国工程科技知识中心

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http://www.ckcest.cn/home/