Calcium carbonate imaging technique

Details for Australian Patent Application No. 2002350098 (hide)

Owner Baker Hughes Incorporated

Inventors Bland, Ronald, G.; Jones, Tom

Agent Freehills

Pub. Number AU-B-2002350098

PCT Number PCT/US02/34998

PCT Pub. Number WO2003/040701

Priority 60/338,311 02.11.01 US

Filing date 31 October 2002

Wipo publication date 19 May 2003

Acceptance publication date 25 October 2007

International Classifications

G01N 15/14 (2006.01) Investigating characteristics of particles - Electro-optical investigation

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

G01N 33/28 (2006.01) Investigating or analysing materials by specific methods not covered by groups

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 60/338,311 02.11.01 US

24 July 2003 Application Open to Public Inspection

  Published as AU-B-2002350098

10 August 2006 Amendment Made

  The nature of the amendment is: Amend the invention title to read Calcium carbonate imaging technique

25 October 2007 Application Accepted

  Published as AU-B-2002350098

3 January 2008 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 06 Dec 2007. Address for service in Australia - Freehills Patent & Trade Mark Attorneys Level 43 101 Collins Street Mebourne VIC 3000 2003

21 February 2008 Standard Patent Sealed

8 May 2008 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 06 Dec 2007 2003

28 May 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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