Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio

Details for Australian Patent Application No. 2004211625 (hide)

Owner Lanxess Corporation

Inventors Brevard, William; Ryan, Michael

Agent Halford & Co

Pub. Number AU-A-2004211625

PCT Pub. Number WO2004/072376

Priority 60/445,970 07.02.03 US

Filing date 6 February 2004

Wipo publication date 26 August 2004

International Classifications

D21H 017/72 Non-fibrous material added to the pulp, characterised by its constitution

D21H 023/76 Processes or apparatus for adding material to the pulp or to the paper

D21H 017/29 Non-fibrous material added to the pulp, characterised by its constitution

D21H 017/42 Non-fibrous material added to the pulp, characterised by its constitution

D21H 017/55 Non-fibrous material added to the pulp, characterised by its constitution

D21H 021/20 Non-fibrous material added to the pulp, characterised by its function, form or properties

D21H 021/24 Non-fibrous material added to the pulp, characterised by its function, form or properties

Event Publications

18 August 2005 PCT application entered the National Phase

  PCT publication WO2004/072376 Priority application(s): WO2004/072376

23 August 2007 Assignment before Grant

  Lanxess Corporation The application has been assigned to Kemira Oyj

2 September 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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