Highly pure amphiphilic copolymer comprising hydrophobic block from alpha-hydroxy acid and process for the preparation thereof

Details for Australian Patent Application No. 2008347720 (hide)

Owner Samyang Corporation

Inventors Seo, Min-Hyo; Shim, Myung Seob; Kim, Bong Oh

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2008347720

PCT Pub. Number WO2009/091150

Priority 10-2007-0141165 31.12.07 KR

Filing date 31 December 2008

Wipo publication date 23 July 2009

Acceptance publication date 28 July 2011

International Classifications

C08G 63/91 (2006.01) Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

Event Publications

15 July 2010 PCT application entered the National Phase

  PCT publication WO2009/091150 Priority application(s): WO2009/091150

28 July 2011 Application Accepted

  Published as AU-B-2008347720

15 September 2011 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 09 Aug 2011. Address for service in Australia - Phillips Ormonde Fitzpatrick 367 Collins Street Melbourne VIC 3000 2010

19 January 2012 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 09 Aug 2011 2009

19 January 2012 Standard Patent Sealed

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