(19)

(11)

EP 0 204 730 A1

(12)

(43) Date of publication: 17.12.1986 Bulletin 1986/51 (21) Application number: 85905648.0 (22) Date of filing: 18.11.1985

(51) International Patent Classification (IPC):  C07D 307/ 08( . ) B01J 23/ 89( . ) C07C 29/ 136( . ) C07C 29/ 17( . ) C07C 67/ 00( . ) C07D 307/ 58( . ) B01J 23/ 86( . ) C07C 27/ 00( . ) C07C 29/ 149( . ) C07C 31/ 20( . ) C07D 307/ 33( . ) (86) International application number: PCT/GB1985/000524 (87) International publication number: WO 1986/003189 (05.06.1986 Gazette 1986/12)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 21.11.1984 US 19840673797 04.06.1985 GB 19850014002 (71) Applicant: DAVY McKEE (LONDON) LIMITED London NW1 2PG (GB)

(72) Inventors: TURNER, Keith 12 The Avenue Cleveland (GB) SHARIF, Mohammad 19 Maidstone Drive Cleveland (GB) RATHMELL, Colin 7 Mount Leven Road Cleveland (GB) KIPPAX, John, Wilson John Clapham House North Yorkshire DL8 2PW (GB) CARTER, Anthony, Benjamin 37 Weston Crescent Cleveland (GB) SCARLETT, John 2 Cleveland View County Durham DL16 7JZ (GB) REASON, Arthur, James 30 Mereshead Sands Cleveland (GB) HARRIS, Norman Cleveland (GB) (74) Representative: Eyles, Christopher Thomas  BATCHELLOR, KIRK & CO. 2 Pear Tree Court Farringdon Road London, EC1R 0DS London, EC1R 0DS (GB)