(19)

(11)

EP 0 047 733 A1

(12)

(43) Date of publication: 24.03.1982 Bulletin 1982/12 (21) Application number: 80900940.0 (22) Date of filing: 01.11.1979

(51) International Patent Classification (IPC):  A61M 1/ 22( . ) B01D 63/ 00( . ) (86) International application number: PCT/US1979/000966 (87) International publication number: WO 1981/001247 (14.05.1981 Gazette 1981/12)

(84) Designated Contracting States: FR (71) Applicant: NEWHART, Ruth T. Newport Beach, CA 92660 (US)