(19)

(11)

EP 0 257 037 A1

(12)

(43) Date of publication: 02.03.1988 Bulletin 1988/09 (21) Application number: 86903452.0 (22) Date of filing: 13.05.1986

(51) International Patent Classification (IPC):  A47L 13/ 17( . ) C23G 1/ 00( . ) C11D 17/ 04( . ) C23G 1/ 20( . ) (86) International application number: PCT/GB1986/000263 (87) International publication number: WO 1986/006760 (20.11.1986 Gazette 1986/25)

(84) Designated Contracting States: AT BE CH DE FR IT LI LU NL SE (30) Priority: 14.05.1985 GB 19850012122 (71) Applicant: GOLD, Howard Marc Bushey Hertfordshire WD2 3UA (GB)	(72) Inventor: GOLD, Howard Marc Bushey Hertfordshire WD2 3UA (GB) (74) Representative: March, Gary Clifford  KINGS PATENT AGENCY LIMITED 73 Farringdon Road London EC1M 3JB London EC1M 3JB (GB)