(19)
(11) EP 1 789 518 A2

(12)

(88) Date of publication A3:
09.11.2006

(43) Date of publication:
30.05.2007 Bulletin 2007/22

(21) Application number: 05792553.9

(22) Date of filing: 30.08.2005
(51) International Patent Classification (IPC): 
C10G 19/00(2006.01)
(86) International application number:
PCT/US2005/030800
(87) International publication number:
WO 2006/031432 (23.03.2006 Gazette 2006/12)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 14.09.2004 US 609624 P
12.08.2005 US 202593

(71) Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
Annandale, NJ 08801-0900 (US)

(72) Inventors:
  • HSU, Edward Ching-Shen
    Bridgewater, NJ 08807 (US)
  • PATEL, Rutton Dinshaw
    Arlington, VA 22207 (US)
  • BROWN, Leo Dale
    Baton Rouge, LA 70817 (US)

(74) Representative: Gerstberger, Gisela et al
ExxonMobil Chemical Europe Inc. IP Law Shared Services P.O. Box 105
B-1830 Machelen
B-1830 Machelen (BE)

   


(54) EMULSION NEUTRALIZATION OF HIGH TOTAL ACID NUMBER (TAN) CRUDE OIL