Method of purifying (meth)acrylic acid

Details for Australian Patent Application No. 2004293259 (hide)

Owner Mitsubishi Chemical Corporation

Inventors Suzuki, Yoshiro; Ogawa, Yasushi; Yada, Shuhei; Takasaki, Kenji

Agent Griffith Hack

Pub. Number AU-A-2004293259

PCT Pub. Number WO2005/051883

Priority 2003-399124 28.11.03 JP

Filing date 8 September 2004

Wipo publication date 9 June 2005

International Classifications

C07C 51/44 (2006.01) Preparation of carboxylic acids or their salts, halides, or anhydrides

Event Publications

25 May 2006 PCT application entered the National Phase

  PCT publication WO2005/051883 Priority application(s): WO2005/051883

24 December 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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