Gypsum board having improved flexibility, toughness, abuse resistance, water resistance and fire resistance

Details for Australian Patent Application No. 2003238021 (hide)

Owner E.I. DU PONT DE NEMOURS AND COMPANY

Inventors Bruce, Robert B.; Shah, Ashok Harakhlal

Agent Callinan

Pub. Number AU-A-2003238021

PCT Number PCT/US03/18596

PCT Pub. Number WO2003/106163

Priority 10/172,135 14.06.02 US

Filing date 10 June 2003

Wipo publication date 31 December 2003

International Classifications

B32B 005/26 Layered products characterised by the non-homogeneity or physical structure of a layer

B32B 013/14 Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material

E04C 002/04 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

E04C 002/26 Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels - composed of materials covered by two or more of groups , , , or of materials covered by one of these groups with a material not specified in one of these groups

Event Publications

11 September 2003 Complete Application Filed

  Priority application(s): 10/172,135 14.06.02 US

26 February 2004 Application Open to Public Inspection

  Published as AU-A-2003238021

10 January 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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