(19)
(11)
EP 0 851 907 A1
(12)
(43)
Date of publication:
08.07.1998
Bulletin 1998/28
(21)
Application number:
97915144.0
(22)
Date of filing:
19.03.1997
(51)
International Patent Classification (IPC):
C10G
45/
02
( . )
C10G
65/
04
( . )
C10G
47/
00
( . )
C10G
65/
12
( . )
(86)
International application number:
PCT/US1997/004270
(87)
International publication number:
WO 1997/038066
(
16.10.1997
Gazette 1997/44)
(84)
Designated Contracting States:
AT BE CH DE ES FI FR GB IT LI NL SE
(30)
Priority:
09.04.1996
US 19960015074P
13.02.1997
US 19970800163
(71)
Applicant:
CHEVRON U.S.A. INC.
San Francisco, CA 94105 (US)
(72)
Inventor:
CASH, Dennis, R.
Novato, CA 94947 (US)
(74)
Representative:
Nash, David Allan
Haseltine Lake & Co., Imperial House, 15-19 Kingsway
London WC2B 6UD
London WC2B 6UD (GB)
(54)
PROCESS FOR REVERSE STAGING IN HYDROPROCESSING REACTOR SYSTEMS