Method of surface treating aluminum alloy base body of heat exchanger and heat exchanger produced by the method

Details for Australian Patent Application No. 2004201998 (hide)

Owner Denso Corporation

Inventors Shimoda, Kensuke; Hamamura, Kazunari; Karube, Kenji; Uchiyama, Kazuhisa; Sugawara, Hiroyoshi; Kasebe, Osamu; Kobayashi, Kengo

Agent Griffith Hack

Pub. Number AU-A-2004201998

Priority 2003-134636 13.05.03 JP

Filing date 11 May 2004

Wipo publication date 2 December 2004

Acceptance publication date 2 June 2005

International Classifications

C23C 022/78 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 - Pretreatment of the material to be coated

C23F 001/36 Etching metallic material by chemical means

Event Publications

27 May 2004 Complete Application Filed

  Priority application(s): 2003-134636 13.05.03 JP

2 December 2004 Application Open to Public Inspection

  Published as AU-A-2004201998

2 June 2005 Application Accepted

  Published as AU-A-2004201998

29 September 2005 Standard Patent Sealed

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