(19)

(11)

EP 0 708 880 A1

(12)

(43) Date of publication: 01.05.1996 Bulletin 1996/18 (21) Application number: 95933221.0 (22) Date of filing: 02.10.1992

(51) International Patent Classification (IPC):  F01N 1/ 00( . ) F01N 1/ 08( . ) (86) International application number: PCT/EP1992/002290 (87) International publication number: WO 1993/019287 (30.09.1993 Gazette 1993/24)

(84) Designated Contracting States: AT DE ES FR GB IT (71) Applicant: DECLERCQ, Paul Eugène Alois D-88239 Wangen (DE)	(72) Inventor: DECLERCQ, Paul Eugène Alois D-88239 Wangen (DE)