(19)
(11) EP 1 580 254 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.11.2005 Bulletin 2005/47

(43) Date of publication A2:
28.09.2005 Bulletin 2005/39

(21) Application number: 05251701.8

(22) Date of filing: 21.03.2005
(51) International Patent Classification (IPC)7: C10L 1/00, C10L 1/22, C10L 1/14
(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 MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 25.03.2004 GB 0406770

(71) Applicant: HM Customs & Excise
Kings Dock, Swansea SA1 8RY (GB)

(72) Inventor:
  • Lewis, David Malcolm
    Leeds LS2 9JJ (GB)

(74) Representative: Hill, Christopher Michael et al
Page White & Farrer 54 Doughty Street
London WC1N 2LS
London WC1N 2LS (GB)

   


(54) Hydrocarbon markers


(57) Provided is a compound for marking a hydrocarbon, the compound having one of the following structures, or a tautomeric form of one of the following structures:



wherein R1 is a substituent that does not comprise an aromatic unit; n is 0, or is an integer of from 1-5; D is the electron donor substituent; HP is the further hydrophobic substituent; p is an integer of from 1-4; q is an integer of from 1-4; wherein p+q does not exceed 5; at least one D is an OH group; and at least one HP is a straight chain alkyl group; and provided that the compound is not the following:







Search report