(19)

(11)

EP 0 915 941 A1

(12)

(43) Date of publication: 19.05.1999 Bulletin 1999/20 (21) Application number: 97910717.0 (22) Date of filing: 29.09.1997

(51) International Patent Classification (IPC):  C09J 7/ 02( . ) (86) International application number: PCT/US1997/017096 (87) International publication number: WO 1998/055555 (10.12.1998 Gazette 1998/49)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 04.06.1997 US 19970868973 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: HUANG, Tzu-Li Saint Paul, MN 55133-3427 (US) BERGESON, David Saint Paul, MN 55133-3427 (US) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)