(19)

(11)

EP 1 086 054 A1

(12)

(43) Date of publication: 28.03.2001 Bulletin 2001/13 (21) Application number: 99917824.7 (22) Date of filing: 18.03.1999

(51) International Patent Classification (IPC)7: C03B 37/05, C03B 37/07 (86) International application number: PCT/EP9901/806 (87) International publication number: WO 9951/535 (14.10.1999 Gazette 1999/41)

(84) Designated Contracting States: AT BE DE ES FI FR GB NL PT SE Designated Extension States: SI (30) Priority: 06.04.1998 EP 98302661 (71) Applicant: Rockwool International A/S DK-2640 Hedehusene (DK)	(72) Inventors: LARSEN, Peter DK-2600 Glostrup (DK) GROVE-RASMUSSEN, Svend DK-4000 Roskilde (DK) (74) Representative: Lawrence, Peter Robin Broughton  GILL JENNINGS & EVERY,Broadgate House,7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)