US2009233932A1PendingUtilityA1

Novel crystalline forms of lamotrigine

Assignee: HETERO DRUGS LTDPriority: Mar 17, 2003Filed: Mar 19, 2009Published: Sep 17, 2009

Est. expiryMar 17, 2023(expired)· nominal 20-yr term from priority

Inventors:Reddy Parthasaradhi Reddy Rathnakar Reddy Raji Reddy Muralidhara Reddy Subash Chander

C07D 253/075A61K 31/53

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Claims

Abstract

The present invention relates to novel crystalline forms of lamotrigine, to processes for their preparation and pharmaceutical compositions containing them.

Claims

exact text as granted — not AI-modified

1 - 13 . (canceled) 
   
   
       14 . A pharmaceutical composition comprising a crystalline form of lamotrigine and a pharmaceutically acceptable carrier, wherein the crystalline form of lamotrigine is Form I lamotrigine. 
   
   
       15 . A pharmaceutical composition comprising a crystalline form of lamotrigine and a pharmaceutically acceptable carrier, wherein the crystalline form of lamotrigine is Form II lamotrigine. 
   
   
       16 . A pharmaceutical composition comprising a crystalline form of lamotrigine and a pharmaceutically acceptable carrier, wherein the crystalline form of lamotrigine is Form III lamotrigine.

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