EP0963484B1 - Sizing of paper - Google Patents

Sizing of paper Download PDF

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Publication number
EP0963484B1
EP0963484B1 EP98903333A EP98903333A EP0963484B1 EP 0963484 B1 EP0963484 B1 EP 0963484B1 EP 98903333 A EP98903333 A EP 98903333A EP 98903333 A EP98903333 A EP 98903333A EP 0963484 B1 EP0963484 B1 EP 0963484B1
Authority
EP
European Patent Office
Prior art keywords
anionic
sizing agent
cationic
aqueous dispersion
characterised
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98903333A
Other languages
German (de)
French (fr)
Other versions
EP0963484A1 (en
Inventor
Sten FRÖLICH
Erik Lindgren
Rein Sikkar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzo Nobel NV
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Akzo Nobel NV
Eka Chemicals AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP97850017 priority Critical
Priority to EP97850016 priority
Priority to EP97850017 priority
Priority to EP97850016 priority
Priority to SE9704931 priority
Priority to SE9704931A priority patent/SE9704931D0/en
Priority to PCT/SE1998/000192 priority patent/WO1998033979A1/en
Priority to EP98903333A priority patent/EP0963484B1/en
Application filed by Akzo Nobel NV, Eka Chemicals AB filed Critical Akzo Nobel NV
Publication of EP0963484A1 publication Critical patent/EP0963484A1/en
Application granted granted Critical
Publication of EP0963484B1 publication Critical patent/EP0963484B1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • DT