(19)

(11)

EP 0 643 611 A1

(12)

(43) Date of publication: 22.03.1995 Bulletin 1995/12 (21) Application number: 93910307.0 (22) Date of filing: 01.06.1993

(51) International Patent Classification (IPC):  B01D 53/ 84( . ) B01J 20/ 04( . ) (86) International application number: PCT/IE1993/000030 (87) International publication number: WO 1993/024205 (09.12.1993 Gazette 1993/29)

(84) Designated Contracting States: DE FR GB IE (30) Priority: 02.06.1992 IE 19920001779 (71) Applicant: BERNEY, Richard Dublin 8 (IE)	(72) Inventor: BERNEY, Richard Dublin 8 (IE) (74) Representative: O'Connell, Maura, et al  c/o F. R. Kelly & Co., 27 Clyde Road, Ballsbridge IRL-Dublin 4 IRL-Dublin 4 (IE)