Gypsum wallboard composition, wallboard pane, and method of making same

Details for Australian Patent Application No. 2002339947 (hide)

Owner National Gypsum Properties LLC.

Inventors Burke, Roy W; Sethuraman, Gopalakrishnan; Ayambem, Amba

Agent Griffith Hack

Pub. Number AU-B-2002339947

PCT Number PCT/US02/29672

PCT Pub. Number WO2003/027039

Priority 09/965,306 27.09.01 US

Filing date 19 September 2002

Wipo publication date 7 April 2003

Acceptance publication date 10 January 2008

International Classifications

C04B 28/14 (2006.01) Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements

C04B 24/26 (2006.01) Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers

E04C 2/04 (2006.01) Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels - of concrete or other stone-like material

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 09/965,306 27.09.01 US

26 June 2003 Application Open to Public Inspection

  Published as AU-B-2002339947

10 January 2008 Application Accepted

  Published as AU-B-2002339947

8 May 2008 Standard Patent Sealed

14 April 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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