(19)

(11)

EP 0 637 347 A1

(12)

(43) Date of publication: 08.02.1995 Bulletin 1995/06 (21) Application number: 92914576.0 (22) Date of filing: 23.04.1992

(51) International Patent Classification (IPC):  D21C 5/ 02( . ) (86) International application number: PCT/US1992/003379 (87) International publication number: WO 1993/022491 (11.11.1993 Gazette 1993/27)

(84) Designated Contracting States: DE FR GB (71) Applicant: HENKEL CORPORATION Ambler, Pennsylvania 19002 (US)	(72) Inventors: COOK, Anthony Barrymore Charlotte, NC 28226 (US) HOWELL, Gail Marie Fort Mill, SC 29715 (US) RODRIGUEZ, Jose Maria Fort Mill, SC 29715 (US) (74) Representative: von Kreisler, Alek, Dipl.-Chem., et al  Patentanwälte, von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus) D-50667 Köln D-50667 Köln (DE)