(19)
(11) EP 1 230 327 A1

(12)

(43) Date of publication:
14.08.2002 Bulletin 2002/33

(21) Application number: 00948084.9

(22) Date of filing: 07.07.2000
(51) International Patent Classification (IPC)7C10L 1/14, C10L 10/04
(86) International application number:
PCT/GB0002/626
(87) International publication number:
WO 0116/257 (08.03.2001 Gazette 2001/10)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 01.09.1999 GB 9920587
02.11.1999 GB 9925983
02.11.1999 GB 9925982
08.11.1999 GB 9926432
08.05.2000 GB 0011064

(71) Applicant: The Associated Octel Company Limited
Manchester M90 4AA (GB)

(72) Inventors:
  • MULQUEEN, Simon Christopher
    Watling Street,Little Brickhill,Milton (GB)
  • VINCENT, Matthew
    Great Horwood,Bucks MK17 0QS (GB)
  • COOK, Stephen Leonard
    Vicar's Cross,Chester CH3 5JR (GB)

(74) Representative: Alcock, David 
D Young & Co,21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)

   


(54) FUEL ADDITIVE FOR THE PREVENTION OF VALVE SEAT RECESSION