(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