Polyisocyanates with biuret structure, blocked with secondary amines

Details for Australian Patent Application No. 2004220719 (hide)

Owner Bayer MaterialScience AG

Inventors Not Given

Agent Davies Collison Cave

Pub. Number AU-A-2004220719

Priority 10348380.2 17.10.03 DE

Filing date 15 October 2004

Wipo publication date 5 May 2005

International Classifications

C08G 018/80 Polymeric products of isocyanates or isothiocyanates

C07C 265/14 Derivatives of isocyanic acid

C07C 211/02 Compounds containing amino groups bound to a carbon skeleton

C07C 275/62 Derivatives of urea, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups

C09D 175/12 Coating compositions based on polyureas or polyurethanes - from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group

C08G 018/78 Polymeric products of isocyanates or isothiocyanates

Event Publications

28 October 2004 Complete Application Filed

  Priority application(s): 10348380.2 17.10.03 DE

5 May 2005 Application Open to Public Inspection

  Published as AU-A-2004220719

11 September 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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