PROCESS FOR PRODUCING AMINOALKYLSULFONIC ACID AND METHOD OF SALT EXCHANGE FOR SALT THEREOF

Details for Australian Patent Application No. 2003261764 (hide)

Owner WAKO PURE CHEMICAL INDUSTRIES, LTD.

Inventors Miyahara, Reiji; Tani, Tsutomu; Kimura, Takuhiro

Agent Griffith Hack

Pub. Number AU-A-2003261764

PCT Number PCT/JP03/10859

PCT Pub. Number WO2004/035531

Priority 2002-261630 06.09.02 JP

Filing date 27 August 2003

Wipo publication date 4 May 2004

International Classifications

C07C 309/14 Sulfonic acids

Event Publications

27 November 2003 Complete Application Filed

  Priority application(s): 2002-261630 06.09.02 JP

10 June 2004 Application Open to Public Inspection

  Published as AU-A-2003261764

13 September 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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