Composition for oil and gas drilling fluids containing organic compounds

Details for Australian Patent Application No. 2002316038 (hide)

International Classifications

Event Publications

9 January 2003 Complete Application Filed

Priority application(s): 60/289,968 10.05.01 US; 60/289,970 10.05.01 US; 60/289,971 10.05.01 US; 60/289,980 10.05.01 US; 60/289,969 10.05.01 US

1 May 2003 Application Open to Public Inspection

Published as AU-B-2002316038

20 March 2008 Application Accepted

Published as AU-B-2002316038

17 July 2008 Standard Patent Sealed

14 August 2008 Application for Amendment

The nature of the amendment is as shown in the statement(s) filed 29 May 2008. Address for service in Australia - Spruson & Ferguson Level 35 St Martins Tower 31 Market Street Sydney NSW 2000

22 January 2009 Amendment Made

The nature of the amendment is as shown in the statement(s) filed 29 May 2008

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