Polycrystalline diamond with a surface depleted of catalyzing material

Details for Australian Patent Application No. 2001274230 (hide)

Owner Camco International (UK) Limited

Inventors GRIFFIN, Nigel

Agent Griffith Hack

Pub. Number AU-B-2001274230

PCT Pub. Number WO02/24603

Priority 60234075 20.09.00 US; 60281054 02.04.01 US

Filing date 25 June 2001

Wipo publication date 2 April 2002

Acceptance publication date 23 March 2006

International Classifications

C04B 35/52 (2006.01) Shaped ceramic products characterised by their composition - based on carbon, e.g. graphite

B23B 27/14 (2006.01) Tools for turning or boring machines - Cutting tools of which the bits or tips are of special material

C04B 41/53 (2006.01) After-treatment of mortars, concrete, artificial stone or ceramics - involving the removal of part of the materials of the treated article

E21B 10/50 (2006.01) Drilling tools

Event Publications

23 March 2006 Application Accepted

  Published as AU-B-2001274230

20 July 2006 Standard Patent Sealed

10 August 2006 Corrigenda

  Applications Accepted - Name Index Under the name Camco International (UK) Limited, Application No. 2001274230, under INID (72), amend the co-inventors to Griffin, Nigel Dennis and Hughes, Peter Raymond

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