AZEOTROPIC DISTILLATION METHOD

Details for Australian Patent Application No. 2002225359 (hide)

Owner MITSUBISHI CHEMICAL CORPORATION

Inventors NUMATA, Motoki; ISOGAI, Takayuki

Pub. Number AU-A-2002225359

PCT Pub. Number WO2002/068083

Priority 2001-51554 27.02.01 JP

Filing date 25 December 2001

Wipo publication date 12 September 2002

International Classifications

B01D 003/36 Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping

C07C 051/46 Preparation of carboxylic acids or their salts, halides, or anhydrides

C07C 051/265 Preparation of carboxylic acids or their salts, halides, or anhydrides

C07C 063/26 Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings

Event Publications

6 March 2003 Application Open to Public Inspection

  Published as AU-A-2002225359

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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

2002225360-METHOD FOR PREPARING DECORATIVE GLASS USING GLASS ETCHING COMPOSITION

2002225358-PYRIMIDINE DERIVATIVES AND PROCESS FOR PREPARING THE SAME