(19)

(11)

EP 0 595 816 A1

(12)

(43) Date of publication: 11.05.1994 Bulletin 1994/19 (21) Application number: 92907503.0 (22) Date of filing: 26.03.1992

(51) International Patent Classification (IPC):  B01D 17/ 00( . ) B01J 8/ 00( . ) B03B 5/ 00( . ) B01D 21/ 00( . ) B01J 8/ 12( . ) B03D 1/ 24( . ) (86) International application number: PCT/GB1992/000558 (87) International publication number: WO 1992/017260 (15.10.1992 Gazette 1992/26)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 27.03.1991 GB 19910006574 (71) Applicant: BAGGALEY, Jack Lowercroft, Bury BL8 2UE (GB)	(72) Inventor: BAGGALEY, Jack Lowercroft, Bury BL8 2UE (GB) (74) Representative: Berry, Neil  207 Moss Lane Bramhall Stockport SK7 1BA Bramhall Stockport SK7 1BA (GB)