(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