ISOCYANATE FREE POLYURETHANE PRODUCTION PROCESS VIA CARBAMATE POLYESTERIFICATION

Details for Australian Patent Application No. 2002225156 (hide)

Owner BAXENDEN CHEMICALS LIMITED

Inventors GEE, Norman; TAYLOR, Alan

Pub. Number AU-A-2002225156

PCT Pub. Number WO2002/057338

Priority 0101464.6 19.01.01 GB

Filing date 16 January 2002

Wipo publication date 30 July 2002

International Classifications

C08G 071/04 Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a ureide or urethane link, otherwise than from isocyanate radicals

C08G 063/82 Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule

C08G 018/46 Polymeric products of isocyanates or isothiocyanates

Event Publications

13 February 2003 Application Open to Public Inspection

  Published as AU-A-2002225156

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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