PROCESS FOR PRODUCING HIGHPURITY 4,4'-DIHYDROXYDIPHENYL SULFONE

Details for Australian Patent Application No. 2003266552 (hide)

Owner KONISHI CHEMICAL IND. CO., LTD.

Inventors OGATA, Eiji; OI, Fumio; YANASE, Norio; NATE, Nobuyuki

Pub. Number AU-A-2003266552

PCT Number PCT/JP03/12049

PCT Pub. Number WO2004/029020

Priority 2002-279199 25.09.02 JP

Filing date 22 September 2003

Wipo publication date 19 April 2004

International Classifications

C07C 315/06 Preparation of sulfones

C07C 317/22 Sulfones

Event Publications

18 December 2003 Complete Application Filed

  Priority application(s): 2002-279199 25.09.02 JP

20 May 2004 Application Open to Public Inspection

  Published as AU-A-2003266552

16 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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

2003266553-ANTENNA, RADIO UNIT AND RADAR

2003266551-OIL-BASED INK COMPOSITION FOR BALLPOINT PEN AND BALLPOINT PEN USING OIL-BASED INK