(19)

(11)

EP 0 805 758 A1

(12)

(43) Date of publication: 12.11.1997 Bulletin 1997/46 (21) Application number: 96901049.0 (22) Date of filing: 25.01.1996

(51) International Patent Classification (IPC):  B42F 13/ 10( . ) (86) International application number: PCT/GB1996/000166 (87) International publication number: WO 1996/022888 (01.08.1996 Gazette 1996/35)

(84) Designated Contracting States: AT DE ES FR GB IT SE (30) Priority: 25.01.1995 GB 19950001801 (71) Applicant: NOVUS LIMITED Spratton, Northamptonshire NN6 8LD (GB)	(72) Inventors: HAMILTON, Niall, Robert Ealing, London W5 5NS (GB) WITTS, Martin, Paul London SE1 1HF (GB) RIDDIFORD, Martin, Philip London SE24 9NN (GB) (74) Representative: Gallafent, Antony Xavier  Gallafent & Co., 9 Staple Inn London WC1V 7QH London WC1V 7QH (GB)