Improved geometry for pulsed acoustic measurements of particle size

Details for Australian Patent Application No. 2002234424 (hide)

Owner Colloidal Dynamics Pty Ltd.

Inventors O'Brien, Richard; Cannon, David W.

Agent Watermark

Pub. Number AU-B-2002234424

PCT Pub. Number WO2002/068934

Priority PR 3381 26.02.01 AU

Filing date 26 February 2002

Wipo publication date 12 September 2002

Acceptance publication date 2 November 2006

International Classifications

G01N 15/02 (2006.01) Investigating characteristics of particles - Investigating particle size or size distribution

G01N 27/26 (2006.01) Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means - by investigating electrochemical variables

G01N 29/02 (2006.01) Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves - Analysing fluids

G01N 29/22 (2006.01) Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves - Details

Event Publications

6 March 2003 Application Open to Public Inspection

  Published as AU-B-2002234424

2 November 2006 Application Accepted

  Published as AU-B-2002234424

29 March 2007 Standard Patent Sealed

18 December 2008 Assignment Registered

  Colloidal Dynamics Pty Ltd. The patent has been assigned to Agilent Technologies, Inc.

23 September 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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