White pitch deposit treatment

Details for Australian Patent Application No. 2003219127 (hide)

Owner Ciba Specialty Chemicals Water Treatments Limited

Inventors Chen, Gordon Cheng I; Grimsley, Swindell Allen; Edmonds, Christian Bruce; Williams, Stephanie Caine; Blazey, Matthew Anthony

Agent Davies Collison Cave

Pub. Number AU-B-2003219127

PCT Number PCT/EP03/03487

PCT Pub. Number WO2003/085199

Priority 60/370,653 08.04.02 US

Filing date 3 April 2003

Wipo publication date 20 October 2003

Acceptance publication date 2 October 2008

International Classifications

D21H 21/02 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties

D21C 9/08 (2006.01) After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters

D21H 11/14 (2006.01)

D21H 17/45 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 17/67 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 23/76 (2006.01) Processes or apparatus for adding material to the pulp or to the paper

D21H 17/44 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 17/54 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 17/56 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 17/66 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 17/68 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 60/370,653 08.04.02 US

27 November 2003 Application Open to Public Inspection

  Published as AU-B-2003219127

2 October 2008 Application Accepted

  Published as AU-B-2003219127

29 January 2009 Standard Patent Sealed

27 October 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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