(19)

(11)

EP 1 534 645 A1

(12)

(43) Date of publication: 01.06.2005 Bulletin 2005/22 (21) Application number: 03733642.7 (22) Date of filing: 21.05.2003

(51) International Patent Classification (IPC)7: C04B 14/22, C04B 7/06, C04B 28/02 (86) International application number: PCT/NO2003/000163 (87) International publication number: WO 2003/097553 (27.11.2003 Gazette 2003/48)

(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: 21.05.2002 NO 20022388 (71) Applicant: Norsk Glassgjenvinning AS N-0509 Oslo (NO)	(72) Inventor: SUNDE, Lasse N-1177 Oslo (NO) (74) Representative: Cederbom, Hans Erik August  Cegumark AB,Box 53047 400 14 Göteborg 400 14 Göteborg (SE)