USE OF SUBSTITUTED HYDROXYLAMINES IN METAL PHOSPHATING PROCESSES

Details for Australian Patent Application No. 2002361680 (hide)

Owner HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN

Inventors CHURCH, Richard

Pub. Number AU-A-2002361680

PCT Number PCT/US02/40022

PCT Pub. Number WO2003/054250

Priority 60/339,342 13.12.01 US; 60/402,216 09.08.02 US

Filing date 13 December 2002

Wipo publication date 9 July 2003

International Classifications

C23C 022/07 Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals

Event Publications

10 April 2003 Complete Application Filed

  Priority application(s): 60/339,342 13.12.01 US; 60/402,216 09.08.02 US

2 October 2003 Application Open to Public Inspection

  Published as AU-A-2002361680

2 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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