METHOD OF REMOVING PRINTING INK FROM WASTE PAPER BY FLOTATION DEINKING

Details for Australian Patent Application No. 2003302433 (hide)

Owner DEGUSSA AG

Inventors SUSS, Hans, Ulrich; GRIMMER, Ralf

Pub. Number AU-A-2003302433

PCT Number PCT/EP2003/0122

PCT Pub. Number WO2004/048680

Priority 102 54 862.5 25.11.02 DE

Filing date 4 November 2003

Wipo publication date 18 June 2004

International Classifications

D21C 005/02 Other processes for obtaining cellulose, e.g. cooking cotton linters - Working-up waste paper

Event Publications

15 July 2004 Complete Application Filed

  Priority application(s): 102 54 862.5 25.11.02 DE

22 July 2004 Application Open to Public Inspection

  Published as AU-A-2003302433

22 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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