Papermaking pulp and flocculant comprising acidic aqueous alumina sol

Details for Australian Patent Application No. 2001263249 (hide)

Owner Buckman Laboratories International, Inc.

Inventors Mirza, Saleem; Dykstra, Gerald M.; Covarrubias, Rosa M.; Karve, Mohan D

Agent Watermark

Pub. Number AU-B-2001263249

PCT Pub. Number WO01/88265

Priority 60205012 17.05.00 US

Filing date 17 May 2001

Wipo publication date 26 November 2001

Acceptance publication date 28 April 2005

International Classifications

D21H 017/67 Non-fibrous material added to the pulp, characterised by its constitution

C02F 001/52 Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

B01D 021/01 Separation of suspended solid particles from liquids by sedimentation - using flocculating agents

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

Event Publications

28 April 2005 Application Accepted

  Published as AU-B-2001263249

25 August 2005 Standard Patent Sealed

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