Process for purifying sand

Details for Australian Patent Application No. 2002300655 (hide)

International Classifications

Event Publications

12 June 2003 Application Open to Public Inspection

Published as AU-B-2002300655

20 October 2005 Assignment before Grant

Hercules Incorporated The application has been assigned to GE Betz, Inc. 2003

8 January 2009 Application Accepted

Published as AU-B-2002300655

7 May 2009 Standard Patent Sealed

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