Method of using aldehyde-functionalized polymers to enhance paper machine dewatering

Details for Australian Patent Application No. 2005208709 (hide)

Owner Nalco Company

Inventors Zagala, Angela P.; St. John, Michael R.

Agent Griffith Hack

Pub. Number AU-B-2005208709

PCT Pub. Number WO2005/072185

Priority 10/764,935 26.01.04 US

Filing date 21 January 2005

Wipo publication date 11 August 2005

Acceptance publication date 10 June 2010

International Classifications

D21H 17/06 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

C08F 8/28 (2006.01) Chemical modification by after-treatment

D21H 17/55 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 21/10 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties - Retention agents or drainage improvers

D21H 17/37 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

Event Publications

27 July 2006 Amendment Made

  The nature of the amendment is: Amend the name of the inventor from Zagala, Angel P. to Zagala, Angela P.

27 July 2006 PCT application entered the National Phase

  PCT publication WO2005/072185 Priority application(s): WO2005/072185

10 June 2010 Application Accepted

  Published as AU-B-2005208709

7 October 2010 Standard Patent Sealed

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