(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