Novel polymorphic forms of 5-(4-(2-(N-methyl-N-(2-pyridyl)amino)et hoxy)benzyl) thiazolidine-2,4-dione maleate and process for their preparation

Details for Australian Patent Application No. 2001291232 (hide)

Owner Dr. Reddy's Laboratories Limited

Inventors Chebiyyam, Prabhakar; Krishnamurthi, Vyas; Gaddam, Om Reddy; Mamillapalli, Ramabhadra Sarma; Seella, Vishnuvardhan Reddy

Agent Griffith Hack

Pub. Number AU-B-2001291232

PCT Pub. Number WO02/26737

Priority 805/MAS/00 26.09.00 IN

Filing date 25 September 2001

Wipo publication date 8 April 2002

Acceptance publication date 16 November 2006

International Classifications

C07D 417/12 (2006.01) Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group

Event Publications

3 July 2003 Amendment Made

  The nature of the amendment is: Amend the name of the applicant/patentee from Reddy's Research Foundation to Dr. Reddy's Research Foundation

18 December 2003 Assignment before Grant

  Dr. Reddy's Research Foundation The application has been assigned to Dr. Reddy's Laboratories Limited 2002

16 November 2006 Application Accepted

  Published as AU-B-2001291232

21 December 2006 Corrigenda

  Applications Accepted - Name Index Under the name Dr. Reddy's Laboratories Limited, Application No. 2001291232, under INID (54), correct the title to Novel polymorphic forms of 5-[4-[2-[N-methyl-N-(2-pyridyl)amino]ethoxy]benzyl] thiazolidine-2,4-dione maleate and process for their preparation

15 March 2007 Standard Patent Sealed

23 April 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2001291233

2001291231