(19)

(11)

EP 0 861 115 A1

(12)

(43) Date of publication: 02.09.1998 Bulletin 1998/36 (21) Application number: 96937668.0 (22) Date of filing: 15.10.1996

(51) International Patent Classification (IPC):  B01D 19/ 04( . ) D21H 17/ 53( . ) D21C 3/ 28( . ) D21H 21/ 12( . ) (86) International application number: PCT/US1996/016127 (87) International publication number: WO 1997/014490 (24.04.1997 Gazette 1997/18)

(84) Designated Contracting States: DE ES FI FR GB SE (30) Priority: 17.10.1995 US 19950544333 (71) Applicant: HENKEL CORPORATION Plymouth Meeting, PA 19462 (US)	(72) Inventor: PALMER, John, J. Stanfield, NC 28163 (US) (74) Representative: Weber, Thomas, Dr.Dipl.-Chem., et al  Patentanwälte von Kreisler-Selting-Werner, Postfach 10 22 41 50462 Köln 50462 Köln (DE)