(19)
(11) EP 1 812 643 A1

(12)

(43) Date of publication:
01.08.2007 Bulletin 2007/31

(21) Application number: 05812112.0

(22) Date of filing: 18.10.2005
(51) International Patent Classification (IPC): 
D21F 3/02(2006.01)
D21F 7/12(2006.01)
(86) International application number:
PCT/US2005/037380
(87) International publication number:
WO 2006/047136 (04.05.2006 Gazette 2006/18)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 21.10.2004 US 620746 P

(71) Applicant: ALBANY INTERNATIONAL CORP.
Albany, New York 12204 (US)

(72) Inventor:
  • HAWES, John, M.
    Averill Park, NY 12018 (US)

(74) Representative: Bugnion Genève 
Bugnion S.A. P.O.Box 375
1211 Geneva 12
1211 Geneva 12 (CH)

   


(54) SACRIFICIAL RECOVERABLE DISPLACING AGENT FOR IMPROVED PAPER DEWATERING