HONEYCOMB FILTER FOR PURIFYING EXHAUST GAS

Details for Australian Patent Application No. 2002234932 (hide)

Owner NGK INSULATORS, LTD.

Inventors HARADA, Takashi; HAMANAKA, Toshiyuki

Pub. Number AU-A-2002234932

PCT Pub. Number WO2002/074417

Priority 2001-75580 16.03.01 JP

Filing date 1 March 2002

Wipo publication date 3 October 2002

International Classifications

B01D 039/20 Filtering material for liquid or gaseous fluids - of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires

B01D 046/00 Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

F01N 003/02 Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust - for cooling, or for removing solid constituents of, exhaust

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-A-2002234932

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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