(19)

(11)

EP 0 608 265 A1

(12)

(43) Date of publication: 03.08.1994 Bulletin 1994/31 (21) Application number: 92920236.0 (22) Date of filing: 09.09.1992

(51) International Patent Classification (IPC):  B05C 9/ 08( . ) B05C 11/ 02( . ) (86) International application number: PCT/US1992/007610 (87) International publication number: WO 1993/007969 (29.04.1993 Gazette 1993/11)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 15.10.1991 US 19910775436 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: LOUKS, John, W. Saint Paul, MN 55133-3427 (US) POCHARDT, Donald, L. Saint Paul, MN 55133-3427 (US) SECOR, Robert, B. Saint Paul, MN 55133-3427 (US) WARREN, Karl, J. Saint Paul, MN 55133-3427 (US) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 D-81675 München D-81675 München (DE)