(19)
(11)
EP 0 079 335 A1
(12)
(43)
Date of publication:
25.05.1983
Bulletin 1983/21
(21)
Application number:
81901940.0
(22)
Date of filing:
22.05.1981
(51)
International Patent Classification (IPC):
B01J
27/
32
( . )
C07C
2/
20
( . )
(86)
International application number:
PCT/US1981/000690
(87)
International publication number:
WO 1982/004040
(
25.11.1982
Gazette 1982/28)
(84)
Designated Contracting States:
DE FR GB NL
(71)
Applicant:
GULF RESEARCH & DEVELOPMENT COMPANY
Pittsburgh Pennsylvania 15230 (US)
(72)
Inventors:
Madgavkar, Ajay M.
Irvine, CA 92714 (US)
SWIFT, Harold E.
Gibsonia, PA 15044 (US)
(74)
Representative:
Huskisson, Frank Mackie
FITZPATRICKS 4 West Regent Street
Glasgow G2 1RS Scotland
Glasgow G2 1RS Scotland (GB)
(54)
OLIGOMERIZING ALPHA-OLEFINS WITH A HETEROGENEOUS CATALYST