Gypsum board having polyvinyl alcohol binder in interface layer and method for making the same

Details for Australian Patent Application No. 2003256293 (hide)

Owner G-P Gypsum Corporation

Inventors Ksionzyk, Anne H.; Francis, Hubert C.; Esguerra, Fabio E.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2003256293

PCT Number PCT/US03/19883

PCT Pub. Number WO2004/018172

Priority 10/224,591 21.08.02 US

Filing date 30 July 2003

Wipo publication date 11 March 2004

Acceptance publication date 15 February 2007

International Classifications

B32B 13/04 (2006.01) Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material

B28B 1/30 (2006.01) Producing shaped articles from the material - by applying the material on to a core, or other moulding surface to form a layer thereon

B28B 3/12 (2006.01) Producing shaped articles from the material by using presses

B32B 13/08 (2006.01) Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material

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

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

6 November 2003 Complete Application Filed

  Priority application(s): 10/224,591 21.08.02 US

22 April 2004 Application Open to Public Inspection

  Published as AU-B-2003256293

15 February 2007 Application Accepted

  Published as AU-B-2003256293

14 June 2007 Standard Patent Sealed

24 February 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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