US2008182988A1PendingUtilityA1

Aripiprazole crystalline forms

Assignee: HETERO DRUGS LTDPriority: Jul 25, 2003Filed: Oct 10, 2007Published: Jul 31, 2008

Est. expiryJul 25, 2023(expired)· nominal 20-yr term from priority

Inventors:Bandi Parthasaradhi Reddy Kura Rathnakar Reddy Rapolu Raji Reddy Dasari Murallidhara Reddy Kesireddy Subash Chander Reddy

C07D 215/227

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Claims

Abstract

The present invention provides novel crystalline forms of aripiprazole and processes for their preparation.

Claims

exact text as granted — not AI-modified

1 - 5 . (canceled) 
     
     
         6 . A crystalline aripiprazole methanolate form IV, characterized by an x-ray powder diffraction spectrum having peaks expressed as 20 at about 9.8, 11.0, 11.8, 12.1, 12.6, 13.6, 17.4, 18.8, 20.1, 23.3, 24.6, 25.0, 25.9, 27.2, 28.4, 29.3, 30.1 and 31.5 degrees. 
     
     
         7 . A crystalline aripiprazole methanolate form IV as defined in  claim 6 , further characterized by an x-ray powder diffraction spectrum as in  FIG. 2 . 
     
     
         8 . (canceled) 
     
     
         9 . A process according to  claim 8 , wherein the product obtained is aripiprazole methanolate. 
     
     
         10 - 18 . (canceled)

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