Preparation of risperidone

   
   

The present invention is directed to the novel forms of risperidone, designated Form A, Form B and Form E. Methods for their preparation are also disclosed. The present invention also relates to processes for making risperidone. Pharmaceutical compositions containing the new forms of risperidone and methods of using them are also disclosed.

A invenção atual é dirigida aos formulários da novela do risperidone, designados o formulário A, formulário B e o formulário E. Método para sua preparação é divulgado também. A invenção atual relaciona-se também aos processos para fazer o risperidone. As composições pharmaceutical que contêm os formulários novos do risperidone e métodos de usá-los são divulgadas também.

 
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