Heat treatable Al-Zn-Mg-Cu alloy for aerospace and automotive castings

Details for Australian Patent Application No. 2005238479 (hide)

Owner Alcoa Inc.

Inventors Zhang, Wenping; Yan, Xinyan; Lin, Jen C.; Yanar, Cagatay; Brandt, Michael K.

Agent Pizzeys

Pub. Number AU-A-2005238479

PCT Pub. Number WO2005/106058

Priority 60/564,813 22.04.04 US; 11/111,212 21.04.05 US

Filing date 22 April 2005

Wipo publication date 10 November 2005

International Classifications

C22C 21/10 (2006.01) Alloys based on aluminium - with zinc as the next major constituent

Event Publications

7 December 2006 PCT application entered the National Phase

  PCT publication WO2005/106058 Priority application(s): WO2005/106058

14 February 2008 Assignment before Grant

  Alcoa Inc. The application has been assigned to Automotive Casting Technology, Inc.

7 August 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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