Method of improving retention and drainage in a papermaking process using diallyl-N, N-disubstituted ammonium halide/acrylamide copolymer and a structurally modified cationic polymer
Details for Australian Patent Application No. 2002324874 (hide)
International Classifications
Event Publications
16 January 2003 Complete Application Filed
Priority application(s): 09/947,675 06.09.01 US
19 June 2003 Application Open to Public Inspection
Published as AU-B-2002324874
25 March 2004 Change of Name(s) of Applicant(s), Section 104
Ondeo Nalco Company The name of the applicant has been changed to Nalco Company 2003
13 September 2007 Application Accepted
Published as AU-B-2002324874
17 January 2008 Standard Patent Sealed
29 March 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired
This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.
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