发明授权
US4534911A Method for the preparation of p-butoxyphenylacetyl-hydroxamic acid in
the finely divided state and a composition containing this acid
失效
精细分散状态的对丁氧基苯乙酰基 - 异羟肟酸的制备方法和含有该酸的组合物
- 专利标题: Method for the preparation of p-butoxyphenylacetyl-hydroxamic acid in the finely divided state and a composition containing this acid
- 专利标题(中): 精细分散状态的对丁氧基苯乙酰基 - 异羟肟酸的制备方法和含有该酸的组合物
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申请号: US558885申请日: 1983-12-07
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公开(公告)号: US4534911A公开(公告)日: 1985-08-13
- 发明人: Michel R. Franz , Andreas B. Vincze , Georges E. Lambelin , Alain V. Polat
- 申请人: Michel R. Franz , Andreas B. Vincze , Georges E. Lambelin , Alain V. Polat
- 申请人地址: LIX Vadiz
- 专利权人: Continental Pharma, Inc.
- 当前专利权人: Continental Pharma, Inc.
- 当前专利权人地址: LIX Vadiz
- 优先权: LUX84530 19821213
- 主分类号: A61K9/14
- IPC分类号: A61K9/14 ; A61K31/165 ; A61P29/00 ; B01J19/00 ; C07C67/00 ; C07C239/00 ; C07C259/06 ; C07C83/10 ; A61K31/185
摘要:
Method for the preparation of micronized p-butoxyphenylacetylhydroxamic acid, comprising dissolving the p-butoxyphenylacetylhydroxamic acid in a basic solution of salifying agent and then precipitating it in an acid solution in the presence of a surface-active agent.
公开/授权文献
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