A method for Separating, Extracting and Purifying Polybeta - hydroxyalkanoates (PHA's) directly from Bacterial Fermentation Broth

Details for Australian Patent Application No. 2003292860 (hide)

Owner Tianan Biologic Material Co., Ltd. Ningbo

Inventors Chen, Xuejun

Agent Wrays

Pub. Number AU-B-2003292860

PCT Number PCT/CN2003/0010

PCT Pub. Number WO2005/059153

Filing date 19 December 2003

Wipo publication date 5 July 2005

Acceptance publication date 4 March 2010

International Classifications

C08G 63/06 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

C08G 63/88 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

C12P 7/62 (2006.01) Preparation of oxygen-containing organic compounds - Carboxylic acid esters

Event Publications

22 April 2004 Complete Application Filed

25 August 2005 Application Open to Public Inspection

  Published as AU-B-2003292860

17 August 2006 Amendment Made

  The nature of the amendment is: Amend the invention title to read A method for Separating, Extracting and Purifying Polybeta -hydroxyalkanoates (PHA's) directly from Bacterial Fermentation Broth

4 March 2010 Application Accepted

  Published as AU-B-2003292860

1 July 2010 Standard Patent Sealed

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