(19)

(11)

EP 0 084 042 A1

(12)

(43) Date of publication: 27.07.1983 Bulletin 1983/30 (21) Application number: 82902187.0 (22) Date of filing: 26.07.1982

(51) International Patent Classification (IPC):  C02F 3/ 06( . ) C02F 3/ 28( . ) C02F 3/ 10( . ) C02F 11/ 04( . ) (86) International application number: PCT/GB1982/000228 (87) International publication number: WO 1983/000323 (03.02.1983 Gazette 1983/04)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 24.07.1981 GB 19810022949 (71) Applicant: McKEOWN, Kevin Joseph Windermere Cumbria (GB)	(72) Inventor: McKEOWN, Kevin Joseph Windermere Cumbria (GB) (74) Representative: Lamb, John Baxter, et al  MARKS & CLERK, 57-60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)