Purification of silicone containing compounds by supercritical fluid extraction

Details for Australian Patent Application No. 2004287854 (hide)

Owner Johnson and Johnson Vision Care, Inc.

Inventors Serpilio, James M. Jr.; Molock, Frank F.; Tian, Yuan; Wang, Shanger; Mahadevan, Shivkumar; Ward, Robert S.

Agent Callinan

Pub. Number AU-A-2004287854

PCT Pub. Number WO2005/044829

Priority 10/699,417 31.10.03 US

Filing date 28 October 2004

Wipo publication date 19 May 2005

International Classifications

C07F 7/20 (2006.01) Compounds containing elements of the 4th Group of the Periodic System

Event Publications

18 May 2006 PCT application entered the National Phase

  PCT publication WO2005/044829 Priority application(s): WO2005/044829

26 May 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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