(19)

(11)

EP 1 601 814 A2

(12)

(88) Date of publication A3: 04.11.2004 (43) Date of publication: 07.12.2005 Bulletin 2005/49 (21) Application number: 04707124.6 (22) Date of filing: 30.01.2004

(51) International Patent Classification (IPC)7: C23C 22/03, C10M 125/24 (86) International application number: PCT/US2004/002886 (87) International publication number: WO 2004/070081 (19.08.2004 Gazette 2004/34)

(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 PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 31.01.2003 US 443995 P 23.06.2003 US 480672 P (71) Applicant: Envirofuels L.P. Houston, TX 77002 (US)	(72) Inventor: SMITH, Dwight, M. Littleton, CO 80120 (US) (74) Representative: Frankland, Nigel Howard  FORRESTER & BOEHMERT Pettenkoferstrasse 20-22 80336 München 80336 München (DE)