METHOD FOR PRODUCING CLOSED CELL CELLULAR MATERIAL FOR USE IN POLISHING, CELLULAR SHEET FOR POLISHING, LAMINATE FOR POLISHING AND POLISHING METHOD, METHOD FOR PRODUCING LAMINATE FOR POLISHING, AND GROOVED POLISHING PAD

Details for Australian Patent Application No. 2003284655 (hide)

Owner SUMITOMO BAKELITE COMPANY LIMITED

Inventors MASAKI, Yoshinori; FURUKAWA, Tsuyoshi; YAGATA, Kazuhiko

Pub. Number AU-A-2003284655

PCT Number PCT/JP2003/0149

PCT Pub. Number WO2004/054779

Priority 2003-158839 04.06.03 JP; 2003-169895 13.06.03 JP; 2003-299565 25.08.03 JP; 2003-360785 21.10.03 JP; 2003-373167 31.10.03 JP; 2003-373168 31.10.03 JP; 2002-340700 25.11.02 JP; 2002-341240 25.11.02 JP; 2002-361551 13.12.02 JP; 2002-363711 16.12.02 JP; 2003-091297 28.03.03 JP

Filing date 25 November 2003

Wipo publication date 9 July 2004

International Classifications

B29C 047/00 Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form

H01L 021/304 Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

B24B 037/00 Lapping machines or devices, i.e. requiring pulverulent abrading substances inserted between a lap of relatively soft but rigid material and the surface to be lapped

Event Publications

25 March 2004 Complete Application Filed

  Priority application(s): 2003-158839 04.06.03 JP; 2003-169895 13.06.03 JP; 2003-299565 25.08.03 JP; 2003-360785 21.10.03 JP; 2003-373167 31.10.03 JP; 2003-373168 31.10.03 JP; 2002-340700 25.11.02 JP; 2002-341240 25.11.02 JP; 2002-361551 13.12.02 JP; 2002-363711 16.12.02 JP; 2003-091297 28.03.03 JP

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2003284655

11 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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