Additive for dewaterable slurry

Details for Australian Patent Application No. 2002235660 (hide)

Owner JAMES HARDIE RESEARCH PTY LIMITED

Inventors O'chee, Milton; Naji, Basil

Agent Shelston IP

Pub. Number AU-A-2002235660

PCT Pub. Number WO2002/070421

Priority PR 3474 02.03.01 AU; PR 3475 02.03.01 AU; PR 3476 02.03.01 AU; PR 3477 02.03.01 AU; PR 3478 02.03.01 AU

Filing date 4 March 2002

Wipo publication date 19 September 2002

International Classifications

C04B 014/04 Use of materials as fillers for mortars, concrete or artificial stone

C04B 014/30 Use of materials as fillers for mortars, concrete or artificial stone

C04B 022/06 Use of materials as active ingredients

Event Publications

13 March 2003 Application Open to Public Inspection

  Published as AU-A-2002235660

30 September 2004 Assignment before Grant

  James Hardie Research Pty Ltd The application has been assigned to James Hardie International Finance B.V.

3 April 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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