CATIONIC OR AMPHOTERIC COPOLYMERS PREPARED IN AN INVERSE EMULSION MATRIX AND THEIR USE IN PREPARING CELLULOSIC FIBER COMPOSITIONS

Details for Australian Patent Application No. 2003296364 (hide)

Owner HERCULES INCORPORATED

Inventors Walchuk, Brian; Hollomon, Martha; Sutman, Frank

Agent Spruson & Ferguson

Pub. Number AU-A-2003296364

PCT Number PCT/US2003/0390

PCT Pub. Number WO2004/052942

Priority 60/431,652 06.12.02 US; 10/728,145 04.12.03 US

Filing date 5 December 2003

Wipo publication date 30 June 2004

International Classifications

C08F 002/32 Processes - Polymerisation in water-in-oil emulsions

C08F 220/56 Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

C08F 222/00 Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule

C08F 220/06 Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

D21H 017/41 Non-fibrous material added to the pulp, characterised by its constitution

D21H 017/44 Non-fibrous material added to the pulp, characterised by its constitution

C08F 293/00 Block polymers

Event Publications

6 May 2004 Complete Application Filed

  Priority application(s): 60/431,652 06.12.02 US; 10/728,145 04.12.03 US

5 August 2004 Application Open to Public Inspection

  Published as AU-A-2003296364

2 July 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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