Method for the synthesis of quaternary ammonium compounds and compositions thereof

Details for Australian Patent Application No. 2005230871 (hide)

Owner Albemarle Corporation

Inventors Everly, Charles R.; Knight, Christopher J.; Sauer, Joe D.; Cheng, Chi Hung

Agent Davies Collison Cave

Pub. Number AU-A-2005230871

PCT Pub. Number WO2005/097729

Priority 60/557,106 26.03.04 US

Filing date 25 March 2005

Wipo publication date 20 October 2005

International Classifications

A61K 31/14 (2006.01) - Quaternary ammonium compounds, e.g. edrophonium, choline

C07C 211/63 (2006.01) Compounds containing amino groups bound to a carbon skeleton

Event Publications

19 October 2006 PCT application entered the National Phase

  PCT publication WO2005/097729 Priority application(s): WO2005/097729

9 April 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

2005230872-Method of exchanging anions of tetraalkylammonium salts

2005230868-Method and apparatus for analyzing and generating human antibody amino acid and nucleic acid sequences