PREPARATION METHOD OF ENTERIC AQUEOUS DISPERSED HYDROXYPROPYL METHYLCELLULOSE PHTHALATE NANOPARTICLE

Details for Australian Patent Application No. 2003284722 (hide)

Owner SAMSUNG FINE CHEMICALS, CO., LTD.

Inventors LEE, Kyung-Won; YEO, Kwang-Soo; KIM, Jung-Hyun; KIM, Il-Hyuk; BAEK, Hyon-Ho; PARK, Young-Ju

Pub. Number AU-A-2003284722

PCT Number PCT/KR2003/0024

PCT Pub. Number WO2005/026233

Priority 10-2003-0064399 17.09.03 KR

Filing date 18 November 2003

Wipo publication date 6 April 2005

International Classifications

C08G 063/91 Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

A61K 009/42 Medicinal preparations characterised by special physical form

C08L 089/00 Compositions of natural macromolecular compounds or of derivatives thereof

C08B 015/02 Preparation of other cellulose derivatives or modified cellulose

Event Publications

25 March 2004 Complete Application Filed

  Priority application(s): 10-2003-0064399 17.09.03 KR

19 May 2005 Application Open to Public Inspection

  Published as AU-A-2003284722

1 June 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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