(19)

(11)

EP 1 037 693 A1

(12)

(43) Date of publication: 27.09.2000 Bulletin 2000/39 (21) Application number: 97951631.7 (22) Date of filing: 10.12.1997

(51) International Patent Classification (IPC)7: A62D 1/00 (86) International application number: PCT/US9722/746 (87) International publication number: WO 9929/373 (17.06.1999 Gazette 1999/24)

(84) Designated Contracting States: BE DE ES FR GB IT NL (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul,Minnesota 55133-3427 (US)	(72) Inventors: STERN, Richard, M. Woodbury, MN 55125 (US) BLAGEV, Pavel, L. Woodbury, MN 55125 (US) FAN, Wei-Qiang Cottage Grove, MN 55016 (US) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)