(19)
(11) EP 1 511 824 A1

(12)

(43) Date of publication:
09.03.2005 Bulletin 2005/10

(21) Application number: 03726599.8

(22) Date of filing: 02.05.2003
(51) International Patent Classification (IPC)7C10G 65/02, C10G 65/10, C10G 65/14, C10G 65/18
(86) International application number:
PCT/US2003/013816
(87) International publication number:
WO 2003/104358 (18.12.2003 Gazette 2003/51)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 04.06.2002 US 162774

(71) Applicant: Chevron U.S.A. Inc.
San Ramon, CA 94583 (US)

(72) Inventors:
  • YOON, H., Alex
    Richmond, CA 94804 (US)
  • PAREKH, Jay
    Castro Valley, CA 94552 (US)
  • DAHLBERG, Arthur, J.
    Benicia, CA 94510 (US)

(74) Representative: Nash, David Allan 
HASELTINE LAKE,Redcliff Quay120 Redcliff Street
Bristol BS1 6HU
Bristol BS1 6HU (GB)

   


(54) MULTI-STAGE HYDROCRACKER WITH KEROSENE RECYCLE