(19)

(11)

EP 0 623 016 A1

(12)

(43) Date of publication: 09.11.1994 Bulletin 1994/45 (21) Application number: 93900802.0 (22) Date of filing: 02.12.1992

(51) International Patent Classification (IPC):  A61K 6/ 00( . ) C09J 4/ 00( . ) A61K 6/ 04( . ) (86) International application number: PCT/US1992/010371 (87) International publication number: WO 1993/012757 (08.07.1993 Gazette 1993/16)

(84) Designated Contracting States: BE CH DE DK ES FR GB IE IT LI NL SE (30) Priority: 31.12.1991 US 19910815172 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: OXMAN, Joel, D. Saint Paul, MI 55133-3427 (US) FUNDINGSLAND, Jon, W. Saint Paul, MI 55133-3427 (US) (74) Representative: VOSSIUS & PARTNER  P.O. Box 86 07 67 D-81634 München D-81634 München (DE)