METHOD OF MAKING FLUID DIFFUSION LAYERS AND ELECTRODES HAVING REDUCED SURFACE ROUGHNESS

Details for Australian Patent Application No. 2002308454 (hide)

Owner BALLARD POWER SYSTEMS INC.

Inventors FONG, Kelvin, Keen-Ven; STUMPER, Jurgen; GORDON, John, Robert; HAAS, Herwig, Robert

Pub. Number AU-A-2002308454

PCT Number PCT/CA02/00530

PCT Pub. Number WO2002/089237

Priority 09/847,461 02.05.01 US; 09/859,130 16.05.01 US

Filing date 1 May 2002

Wipo publication date 11 November 2002

International Classifications

H01M 004/96 Electrodes - Carbon-based electrodes

H01M 004/88 Electrodes - Processes of manufacture

H01M 004/86 Electrodes - Inert electrodes with catalytic activity, e.g. for fuel cells

H01M 008/10 Fuel cells - Fuel cells with solid electrolytes

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 09/847,461 02.05.01 US; 09/859,130 16.05.01 US

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002308454

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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