(19)

(11)

EP 0 663 849 A1

(12)

(43) Date of publication: 26.07.1995 Bulletin 1995/30 (21) Application number: 93920594.0 (22) Date of filing: 10.09.1993

(51) International Patent Classification (IPC):  F01N 3/ 02( . ) B01D 46/ 24( . ) B01D 53/ 28( . ) B01D 53/ 64( . ) F01N 3/ 031( . ) F01N 7/ 02( . ) B01D 46/ 00( . ) B01D 49/ 00( . ) B01D 53/ 34( . ) F01N 3/ 022( . ) F01N 3/ 021( . ) (86) International application number: PCT/AU1993/000467 (87) International publication number: WO 1994/008698 (28.04.1994 Gazette 1994/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.10.1992 AU 1992PL09175 15.06.1993 AU 19930041264 (71) Applicant: AIR SAFE EXHAUST SYSTEMS PTY. LTD. Edgecliff, NSW 2027 (AU)	(72) Inventor: KAPAS, Sandor H-Budapest (HU) (74) Representative: Smulders, Theodorus A.H.J., Ir., et al  Vereenigde Octrooibureaux Nieuwe Parklaan 97 NL-2587 BN 's-Gravenhage NL-2587 BN 's-Gravenhage (NL)