(19)

(11)

EP 0 245 384 A1

(12)

(43) Date of publication: 19.11.1987 Bulletin 1987/47 (21) Application number: 86906728.0 (22) Date of filing: 21.11.1986

(51) International Patent Classification (IPC):  B01D 24/ 46( . ) B01D 35/ 22( . ) B01D 35/ 12( . ) (86) International application number: PCT/AU1986/000354 (87) International publication number: WO 1987/003213 (04.06.1987 Gazette 1987/12)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 21.11.1985 AU 19850003513 (71) Applicant: SNELLING, Peter John West Lakes, S.A. 5021 (AU)	(72) Inventor: SNELLING, Peter John West Lakes, S.A. 5021 (AU) (74) Representative: Robinson, Anthony John Metcalf  Kilburn & Strode 30 John Street London, WC1N 2DD London, WC1N 2DD (GB)