(19)

(11)

EP 0 993 333 A1

(12)

(43) Date of publication: 19.04.2000 Bulletin 2000/16 (21) Application number: 97955082.9 (22) Date of filing: 21.02.1997

(51) International Patent Classification (IPC)7: B01F 3/02, G05D 21/00 (86) International application number: PCT/US9702/813 (87) International publication number: WO 9839/086 (11.09.1998 Gazette 1998/36)

(84) Designated Contracting States: CH DE ES FR GB IT LI (71) Applicants: Crum, Wayne M. Houston, TX 77084 (US) Ingber, Howard S. New York City, NY 10023 (US)	(72) Inventors: Crum, Wayne M. Houston, TX 77084 (US) Ingber, Howard S. New York City, NY 10023 (US) (74) Representative: Frohwitter, Bernhard, Dipl.-Ing.  Patent- und Rechtsanwälte,Possartstrasse 20 81679 München 81679 München (DE) (56) References cited: :