(19)
(11) EP 0 859 663 A1

(12)

(43) Date of publication:
26.08.1998 Bulletin 1998/35

(21) Application number: 96924497.0

(22) Date of filing: 15.07.1996
(51) International Patent Classification (IPC): 
B01J 29/ 40( . )
B01J 29/ 70( . )
B01J 29/ 65( . )
C10G 11/ 05( . )
(86) International application number:
PCT/US1996/011705
(87) International publication number:
WO 1997/004871 (13.02.1997 Gazette 1997/08)
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 31.07.1995 US 19950509716

(71) Applicant: MOBIL OIL CORPORATION
Fairfax, Virginia 22037-0001 (US)

(72) Inventor:
  • BUCHANAN, John, Scott
    Trenton, NJ 08619 (US)

(74) Representative: Hucker, Charlotte Jane 
Gill Jennings & Every Broadgate House, 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) TREATMENT OF ZEOLITE TO IMPROVE ITS BUTENE SELECTIVITY