SULPHONATION OF PHENOLS

Details for Australian Patent Application No. 2002331946 (hide)

Owner GREAT LAKES CHEMICAL (EUROPE) GmbH

Inventors HILL, Jonathan, Simon; CAPAI, Bernard; NERI, Carlo

Pub. Number AU-A-2002331946

PCT Number PCT/GB02/04218

PCT Pub. Number WO2003/027063

Priority 0122903.8 22.09.01 GB

Filing date 18 September 2002

Wipo publication date 7 April 2003

International Classifications

C07C 303/08 Preparation of esters or amides of sulfuric acids

C07C 309/44 Sulfonic acids

C07C 309/42 Sulfonic acids

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 0122903.8 22.09.01 GB

26 June 2003 Application Open to Public Inspection

  Published as AU-A-2002331946

10 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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