(19)
(11) EP 0 711 198 A1

(12)

(43) Date of publication:
15.05.1996 Bulletin 1996/20

(21) Application number: 94921750.0

(22) Date of filing: 28.07.1994
(51) International Patent Classification (IPC): 
B01D 53/ 86( . )
B01J 23/ 72( . )
B01J 23/ 89( . )
B01D 53/ 94( . )
B01J 23/ 83( . )
(86) International application number:
PCT/GB1994/001635
(87) International publication number:
WO 1995/003877 (09.02.1995 Gazette 1995/07)
(84) Designated Contracting States:
AT BE DE ES FR IT NL SE

(30) Priority: 29.07.1993 GB 19930015679

(71) Applicant: ROVER GROUP LIMITED
Bickenhill Birmingham B37 7HQ (GB)

(72) Inventor:
  • BHATTACHARYA, Ashok Kumar
    Birmingham B13 9RY (GB)

(74) Representative: Bannerman, David Gardner 
Withers & Rogers 4 Dyer's Buildings Holborn
London, EC1N 2JT
London, EC1N 2JT (GB)

   


(54) BASE METAL CATALYST, CATALYTIC SUPPORT AND TWO-STAGE PROCESS FOR THE PURIFICATION OF VEHICLE EXHAUST GASES