Partially biodegradable temperature and pH sensitive hydrogel

Details for Australian Patent Application No. 2003294258 (hide)

Owner Cornell Research Foundation, Inc.

Inventors Zhang, Xian-Zheng; Chu, Chih-Chang

Agent Madderns

Pub. Number AU-B-2003294258

PCT Number PCT/US2003/0359

PCT Pub. Number WO2004/064816

Priority 60/440,355 16.01.03 US

Filing date 3 December 2003

Wipo publication date 13 August 2004

Acceptance publication date 28 May 2009

International Classifications

C08F 220/58 (2006.01) Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

A61K 9/58 (2006.01) Medicinal preparations characterised by special physical form

C08F 222/16 (2006.01) Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 60/440,355 16.01.03 US

16 September 2004 Application Open to Public Inspection

  Published as AU-B-2003294258

28 May 2009 Application Accepted

  Published as AU-B-2003294258

24 September 2009 Standard Patent Sealed

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