(19)

(11)

EP 0 169 227 A1

(12)

(43) Date of publication: 29.01.1986 Bulletin 1986/05 (21) Application number: 85900703.0 (22) Date of filing: 23.01.1985

(51) International Patent Classification (IPC):  B01J 8/ 06( . ) C01B 3/ 38( . ) (86) International application number: PCT/GB1985/000032 (87) International publication number: WO 1985/003281 (01.08.1985 Gazette 1985/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 25.01.1984 GB 19840001989 (71) Applicant: MARTIN, Stuart Ross Herts AL8 7LG (GB)	(72) Inventor: MARTIN, Stuart Ross Herts AL8 7LG (GB)