(19)

(11)

EP 0 799 336 A1

(12)

(43) Date of publication: 08.10.1997 Bulletin 1997/41 (21) Application number: 95939036.0 (22) Date of filing: 31.10.1995

(51) International Patent Classification (IPC):  D01D 5/ 18( . ) D01F 9/ 14( . ) D01F 9/ 00( . ) (86) International application number: PCT/US1995/014236 (87) International publication number: WO 1996/019600 (27.06.1996 Gazette 1996/29)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 22.12.1994 US 19940362342 (71) Applicant: OWENS CORNING Toledo, Ohio 43659 (US)	(72) Inventors: AULT, Patrick, L. Heath, OH 43056 (US) LOFTUS, James, E. Newark, OH 43055 (US) PELLEGRIN, Michael, T. Newark, OH 43055 (US) VERMILION, Donn, R. Newark, OH 43055 (US) GALLAGHER, Kevin, P. Pataskala, OH 43062 (US) PONN, Frederick, H. Granville, OH 43023 (US) (74) Representative: Jenkins, Richard Gray, et al  R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)