(19)
(11) EP 1 473 354 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.11.2004 Bulletin 2004/46

(43) Date of publication A2:
03.11.2004 Bulletin 2004/45

(21) Application number: 04252508.9

(22) Date of filing: 29.04.2004
(51) International Patent Classification (IPC)7: C10L 1/22, C10L 10/02, C10L 1/14
(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 PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 29.04.2003 US 425317

(71) Applicant: UNITED TECHNOLOGIES CORPORATION
Hartford, CT 06101 (US)

(72) Inventors:
  • Colket, Meredith Bright III
    Connecticut 06070 (US)
  • Liscinsky, David Stephen
    Connecticut 06033 (US)
  • True, Bruce Scott
    Connecticut 06424 (US)

(74) Representative: Leckey, David H. 
Frank B. Dehn & Co., 179 Queen Victoria Street
London EC4V 4EL
London EC4V 4EL (GB)

   


(54) Fuel-additives


(57) A method of suppressing particulate emissions during fuel combustion comprising the steps of providing a fuel, and adding to the fuel a heterocyclic hydrocarbon structure comprising at least one nitrogen atom.






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