Hydrophobically modified poly(ethylene glycol) for use in pitch and stickies control in pulp and papermaking processes

Details for Australian Patent Application No. 2007277202 (hide)

Owner Hercules Incorporated

Inventors Doherty, Erin A. S.; Rittenhouse-Pruss, Jennifer; Cheng, Huai N.; Gelman, Robert; Carey, William; Gu, Qu-Ming

Agent Spruson & Ferguson

Pub. Number AU-A-2007277202

PCT Pub. Number WO2008/013875

Priority 60/833,288 26.07.06 US

Filing date 25 July 2007

Wipo publication date 31 January 2008

International Classifications

C08L 71/02 (2006.01) Compositions of polyethers obtained by reactions forming an ether link in the main chain

C11D 1/722 (2006.01) Surface-active non-soap detergents - Ethers of polyoxyalkylenes having mixed oxyalkylene groups

D21C 9/00 (2006.01) After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters

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

Event Publications

19 February 2009 PCT application entered the National Phase

  PCT publication WO2008/013875 Priority application(s): WO2008/013875

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