(19)

(11)

EP 1 180 233 A1

(12)

(43) Date of publication: 20.02.2002 Bulletin 2002/08 (21) Application number: 00922474.2 (22) Date of filing: 27.04.2000

(51) International Patent Classification (IPC)7: F28F 19/00, C10B 43/02, C10J 3/22, F28G 15/06, F28G 13/00 (86) International application number: PCT/DK0000/217 (87) International publication number: WO 0068/631 (16.11.2000 Gazette 2000/46)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 27.04.1999 DK 57599 (71) Applicant: TK Energi AS 4621 Gadstrup (DK)	(72) Inventors: KOCH, Thomas DK-2820 Gentofte (DK) KIORBOE, Lars DK-3400 Hillerod (DK) (74) Representative: Holme, Edvard et al Holme Patent A/S, Vesterbrogade 20 1620 Copenhagen V. 1620 Copenhagen V. (DK)