(19)

(11)

EP 0 537 245 A1

(12)

(43) Date of publication: 21.04.1993 Bulletin 1993/16 (21) Application number: 91912492.0 (22) Date of filing: 03.07.1991

(51) International Patent Classification (IPC):  C08K 5/ 06( . ) C09J 133/ 26( . ) (86) International application number: PCT/US1991/004760 (87) International publication number: WO 1992/001027 (23.01.1992 Gazette 1992/03)

(84) Designated Contracting States: DE FR GB (30) Priority: 05.07.1990 US 19900548676 14.06.1991 US 19910715597 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: PERRINGTON, Kenneth, J. Saint Paul, MN 55133-3427 (US) KLEITER, Michael, A. Saint Paul, MN 55133-3427 (US) CHRISTEN, Daniel, P. Saint Paul, MN 55133-3427 (US) EMERY, Clair, J. Saint Paul, MN 55133-3427 (US) (74) Representative: Baillie, Iain Cameron  Ladas & Parry Altheimer Eck 2 D-80331 München D-80331 München (DE)