(19)
(11) EP 1 470 203 A1

(12)

(43) Date of publication:
27.10.2004 Bulletin 2004/44

(21) Application number: 03713738.7

(22) Date of filing: 18.12.2002
(51) International Patent Classification (IPC)7C10B 1/00
(86) International application number:
PCT/US2003/005987
(87) International publication number:
WO 2003/104353 (18.12.2003 Gazette 2003/03)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR
Designated Extension States:
AL LT LV MK RO

(30) Priority: 10.01.2002 US 043527 P

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

(72) Inventors:
  • BELL, Robert V.
    Mobile, AL 36609 (US)
  • BLEVINS, Harry J.
    Pascagoula, MI 39567 (US)
  • KLASNICH, Steven
    Martinez, CA 94553 (US)
  • REEVES, David
    Orinda, CA 94563 (US)
  • RIDDLE, Jeff N.
    Woods Cross, UT 84087 (US)

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

   


(54) SAFE AND AUTOMATIQUE METHOD FOR REMOVAL OF COKE FROM A COKE VESSEL