(19)
(11) EP 1 104 495 A1

(12)

(43) Date of publication:
06.06.2001 Bulletin 2001/23

(21) Application number: 99926067.2

(22) Date of filing: 28.05.1999
(51) International Patent Classification (IPC)7: D21H 21/10
(86) International application number:
PCT/US9912/020
(87) International publication number:
WO 0049/227 (24.08.2000 Gazette 2000/34)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE LI NL PT SE

(71) Applicant: NALCO CHEMICAL COMPANY
NapervilleIllinois 60563-1198 (US)

(72) Inventors:
  • PRUSZYNSKI, Przemyslaw
    Naperville, IL 60564 (US)
  • JAKUBOWSKI, Regina
    Hamilton, Ontario L8T 5A4 (CA)
  • ARMSTRONG, John, R.
    Burlington, Ontario L7R 4J9 (CA)
  • ROSENCRANCE, Scott, W.
    North Agusta, SC 29841 (US)

(74) Representative: Ebner von Eschenbach, Jennifer et al
c/o Ladas & Parry,Dachauerstrasse 37
80335 München
80335 München (DE)

   


(54) SELECTIVE RETENTION OF FILLING COMPONENTS AND IMPROVED CONTROL OF SHEET PROPERTIES BY ENHANCING ADDITIVE PRETREATMENT