Pharmaceutical compositions comprising low-solubility and/or acid-sensitive drugs and neutralized acidic polymers

Details for Australian Patent Application No. 2002302886 (hide)

Owner PFIZER PRODUCTS INC.

Inventors Friesen, Dwayne Thomas; West, James Blair; Ketner, Rodney James; Shanker, Ravi Moysore; Crew, Marshall David

Agent Spruson & Ferguson

Pub. Number AU-A-2002302886

PCT Number PCT/IB02/01710

PCT Pub. Number WO2003/000292

Priority 60/300,256 22.06.01 US

Filing date 8 May 2002

Wipo publication date 8 January 2003

International Classifications

A61K 047/32 Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

A61K 031/405

A61K 031/4706 - 4-Aminoquinolines

A61K 031/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene

A61K 031/498 - Pyrazines or piperazines ortho- or peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine

A61K 047/38 Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Cellulose

A61K 031/404

Event Publications

12 December 2002 Complete Application Filed

  Priority application(s): 60/300,256 22.06.01 US

19 June 2003 Application Open to Public Inspection

  Published as AU-A-2002302886

2 February 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. 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

2002302887-Process for the isolation of crystalline imipenem

2002302885-STEREOSELECTIVE SYNTHESIS OF 2-HYDROXY-4-PHENYLBUTYRIC ACID ESTERS