(19)

(11)

EP 0 095 486 A1

(12)

(43) Date of publication: 07.12.1983 Bulletin 1983/49 (21) Application number: 83900134.0 (22) Date of filing: 16.11.1982

(51) International Patent Classification (IPC):  B01L 7/ 02( . ) F25D 3/ 08( . ) (86) International application number: PCT/US1982/001605 (87) International publication number: WO 1983/001994 (09.06.1983 Gazette 1983/14)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL (30) Priority: 04.12.1981 US 19810327681 (71) Applicant: AMERICAN HOSPITAL SUPPLY CORPORATION Evanston, IL 60201 (US)	(72) Inventor: WHITE, Fred K. Miami, FL 33176 (US)