PROCESS FOR PRODUCING DIHYDROXYDIPHENYL SULFONE

Details for Australian Patent Application No. 2003231474 (hide)

Owner KONISHI CHEMICAL IND. CO., LTD.

Inventors OI, Fumio; YANASE, Norio; KITAHARA, Takayuki; NATE, Nobuyuki

Pub. Number AU-A-2003231474

PCT Number PCT/JP03/05228

PCT Pub. Number WO2003/091206

Priority 2002-123646 25.04.02 JP

Filing date 24 April 2003

Wipo publication date 10 November 2003

International Classifications

C07C 315/06 Preparation of sulfones

C07C 317/22 Sulfones

Event Publications

14 August 2003 Complete Application Filed

  Priority application(s): 2002-123646 25.04.02 JP

18 December 2003 Application Open to Public Inspection

  Published as AU-A-2003231474

13 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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