(19)

(11)

EP 0 312 525 A1

(12)

(43) Date of publication: 26.04.1989 Bulletin 1989/17 (21) Application number: 87901094.0 (22) Date of filing: 04.02.1987

(51) International Patent Classification (IPC):  A61K 6/ 083( . ) (86) International application number: PCT/GB1987/000085 (87) International publication number: WO 1988/005651 (11.08.1988 Gazette 1988/18)

(84) Designated Contracting States: CH DE GB LI (71) Applicant: DENTAL COMPOSITE LTD. Kent DA17 5QS (GB)	(72) Inventors: PHOTAY, Parkash, S. Belvedere, Kent DA17 5QS (GB) PHOTAY, Avtar, S. Belvedere, Kent DA17 5QS (GB) (74) Representative: Connor, Terence Kevin, et al  T.K. Connor & Co. 19 Station Road Sidcup, Kent DA15 7EB Sidcup, Kent DA15 7EB (GB)