Polyformals and copolyformals as a protective layer against hydrolysis on polycarbonate

Details for Australian Patent Application No. 2005205110 (hide)

Owner Bayer MaterialScience AG

Inventors Wehrmann, Rolf; Heuer, Helmut Werner; Hufen, Ralf

Agent Davies Collison Cave

Pub. Number AU-A-2005205110

PCT Pub. Number WO2005/068525

Priority 10 2004 002 523.1 16.01.04 DE

Filing date 7 January 2005

Wipo publication date 28 July 2005

International Classifications

C08G 8/10 (2006.01) Condensation polymers of aldehydes or ketones with phenols only

B65D 23/02 (2006.01) Details of rigid or semi-rigid containers not otherwise provided for

C08G 64/00 (2006.01) Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule

C09D 159/00 (2006.01) Coating compositions based on organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

C09D 161/06 (2006.01) Coating compositions based on condensation polymers of aldehydes or ketones

Event Publications

10 August 2006 PCT application entered the National Phase

  PCT publication WO2005/068525 Priority application(s): WO2005/068525

3 April 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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