A low water methanol carbonylation process for high acetic acid production and for water balance control

Details for Australian Patent Application No. 2003291106 (hide)

Owner Celanese International Corporation

Inventors Huckman, Michael E.; Torrence, Paull G.; Cheung, Hosea

Agent Freehills

Pub. Number AU-B-2003291106

PCT Number PCT/US2003/0370

PCT Pub. Number WO2004/060846

Priority 10/328,065 23.12.02 US

Filing date 18 November 2003

Wipo publication date 29 July 2004

Acceptance publication date 12 February 2009

International Classifications

C07C 51/12 (2006.01) Preparation of carboxylic acids or their salts, halides, or anhydrides

Event Publications

8 April 2004 Complete Application Filed

  Priority application(s): 10/328,065 23.12.02 US

2 September 2004 Application Open to Public Inspection

  Published as AU-B-2003291106

12 February 2009 Application Accepted

  Published as AU-B-2003291106

9 April 2009 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 17 Mar 2009. Address for service in Australia - Freehills Patent & Trade Mark Attorneys Level 43 101 Collins Street Mebourne VIC 3000

30 July 2009 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 17 Mar 2009

30 July 2009 Standard Patent Sealed

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