(19)

(11)

EP 0 828 860 A1

(12)

(43) Date of publication: 18.03.1998 Bulletin 1998/12 (21) Application number: 96916776.0 (22) Date of filing: 30.05.1996

(51) International Patent Classification (IPC):  A61K 6/ 04( . ) C22C 14/ 00( . ) A61L 27/ 06( . ) A61F 2/ 00( . ) (86) International application number: PCT/US1996/008015 (87) International publication number: WO 1996/038594 (05.12.1996 Gazette 1997/01)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 30.05.1995 US 19950454016 (71) Applicant: ORMCO CORPORATION Glendora California 91740 (US)	(72) Inventors: FARZIN-NIA, Farrokh Inglewood, CA 90302 (US) SACHDEVA, Rohit, C., L. Plano, TX 75093 (US) BESSELINK, Peter, A. NL-7534 AT Enschede (NL) (74) Representative: von Hellfeld, Axel, Dr. Dipl.-Phys.  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München 81541 München (DE)