Two-stage process for the hydrogenation of maleic acid to 1,4-butanediol

Details for Australian Patent Application No. 2001285320 (hide)

Owner Innovene USA, LLC

Inventors Norenberg, Gregory A.; Miller, Craig T.; Hepfer, Robert P.; Attig, Thomas G.; Budge, John R.

Agent Shelston IP

Pub. Number AU-B-2001285320

PCT Pub. Number WO02/18316

Priority 09651526 29.08.00 US

Filing date 27 August 2001

Wipo publication date 13 March 2002

Acceptance publication date 9 March 2006

International Classifications

C07C 51/36 (2006.01) Preparation of carboxylic acids or their salts, halides, or anhydrides

C07C 29/149 (2006.01) Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring

C07C 31/20 (2006.01) Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms

C07C 55/10 (2006.01) Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms

Event Publications

20 October 2005 Assignment before Grant

  The Standard Oil Company The application has been assigned to Innovene USA LLC

9 March 2006 Application Accepted

  Published as AU-B-2001285320

6 July 2006 Standard Patent Sealed

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