ARYLALKYLSULFONIC ACIDS AND METHODS FOR PRODUCING SAME

Details for Australian Patent Application No. 2002313721 (hide)

Owner STEPAN COMPANY

Inventors DADO, Gregory, P.; BERNHARDT, Randal, H.

Pub. Number AU-A-2002313721

PCT Number PCT/US02/24562

PCT Pub. Number WO2003/014070

Priority 09/922,457 03.08.01 US

Filing date 2 August 2002

Wipo publication date 24 February 2003

International Classifications

C07C 309/01 Sulfonic acids

C07C 309/02 Sulfonic acids

C07C 309/09 Sulfonic acids

C11D 001/12 Surface-active non-soap detergents

Event Publications

2 January 2003 Complete Application Filed

  Priority application(s): 09/922,457 03.08.01 US

19 June 2003 Application Open to Public Inspection

  Published as AU-A-2002313721

23 February 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

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