(19)

(11)

EP 0 714 412 A1

(12)

(43) Date of publication: 05.06.1996 Bulletin 1996/23 (21) Application number: 94925859.0 (22) Date of filing: 12.08.1994

(51) International Patent Classification (IPC):  C12N 11/ 08( . ) C07K 1/ 22( . ) C08B 37/ 00( . ) B01J 20/ 32( . ) C07K 14/ 81( . ) C08B 37/ 10( . ) (86) International application number: PCT/US1994/009149 (87) International publication number: WO 1995/005400 (23.02.1995 Gazette 1995/09)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 19.08.1993 US 19930109341 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: RASMUSSEN, Jerald, K. Saint Paul, MN 55133-3427 (US) CURRY, Russell, A. Saint Paul, MN 55133-3427 (US) WALKER, Margaret, M. Saint Paul, MN 55133-3427 (US) (74) Representative: Warcoin, Jacques, et al  Cabinet Régimbeau, 26, avenue Kléber F-75116 Paris F-75116 Paris (FR)