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EP 0 951 350 A1

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(43) Date of publication: 27.10.1999 Bulletin 1999/43 (21) Application number: 98900553.0 (22) Date of filing: 09.01.1998

(51) International Patent Classification (IPC):  B01D 39/ 14( . ) B01D 39/ 08( . ) B01J 20/ 08( . ) B01J 20/ 18( . ) B01J 20/ 28( . ) B01D 39/ 00( . ) B01J 20/ 06( . ) B01J 20/ 10( . ) B01J 20/ 20( . ) (86) International application number: PCT/GB1998/000001 (87) International publication number: WO 1998/030326 (16.07.1998 Gazette 1998/28)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GR IE IT LI LU MC NL PT SE (30) Priority: 09.01.1997 GB 19970000339 09.12.1997 GB 19970025991 09.12.1997 GB 19970025993 (71) Applicant: Bonded Fibre Fabric Limited Bridgwater, Somerset TA6 4NZ (GB)	(72) Inventors: ABERCROMBIE, Archibald, John Bridgwater,Somerset TA7 0BP (GB) MAAN, Ranber Taunton TA1 5HL (GB) BATTYE, Anthony, George Somerset TA6 4JS (GB) (74) Representative: Wilson, Peter, et al  Fitzpatricks, Cardinal Court, 23 Thomas More Street London E1 9YY London E1 9YY (GB)