(19)

(11)

EP 0 057 187 A1

(12)

(43) Date of publication: 11.08.1982 Bulletin 1982/32 (21) Application number: 81901001.0 (22) Date of filing: 11.08.1980

(51) International Patent Classification (IPC):  B01D 1/ 00( . ) F16N 39/ 00( . ) (86) International application number: PCT/US1980/001050 (87) International publication number: WO 1982/000419 (18.02.1982 Gazette 1982/06)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: MASSO, Joseph I. San Diego, CA 92119 (US)	(72) Inventor: MASSO, Joseph I. San Diego, CA 92119 (US)