Compositions for controlled release

Details for Australian Patent Application No. 2002300377 (hide)

Owner National Starch and Chemical Investment Holding Corporation

Inventors Solarek, Daniel B.; Rosie, James A.; Crossman, Martin C.

Agent Callinan

Pub. Number AU-B-2002300377

Priority 09/924,179 07.08.01 US

Filing date 2 August 2002

Wipo publication date 12 June 2003

Acceptance publication date 4 January 2007

International Classifications

C09K 8/20 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/03 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

12 June 2003 Application Open to Public Inspection

  Published as AU-B-2002300377

4 January 2007 Application Accepted

  Published as AU-B-2002300377

3 May 2007 Standard Patent Sealed

26 February 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

12 March 2009 Assignment Registered

  National Starch and Chemical Investment Holding Corporation The patent has been assigned to Akzo Nobel N.V.

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