Manufacture of paper and paperboard

Details for Australian Patent Application No. 2002221646 (hide)

Owner Ciba Specialty Chemicals Water Treatments Limited

Inventors Richardson, Gary Peter; Chen I, Gordon Cheng

Agent Davies Collison Cave

Pub. Number AU-B-2002221646

PCT Pub. Number WO02/33171

Priority 60240635 16.10.00 US

Filing date 4 October 2001

Wipo publication date 29 April 2002

Acceptance publication date 28 October 2004

International Classifications

D21H 021/10 Non-fibrous material added to the pulp, characterised by its function, form or properties - Retention agents or drainage improvers

D21H 017/68 Non-fibrous material added to the pulp, characterised by its constitution

Event Publications

28 October 2004 Application Accepted

  Published as AU-B-2002221646

24 February 2005 Standard Patent Sealed

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