(19)
(11) EP 1 880 865 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.07.2009 Bulletin 2009/28

(43) Date of publication A2:
23.01.2008 Bulletin 2008/04

(21) Application number: 07112744.3

(22) Date of filing: 19.07.2007
(51) International Patent Classification (IPC): 
B42D 15/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 19.07.2006 GB 0614380

(71) Applicant: De La Rue International Limited
Basingstoke, Hants RG22 4BS (GB)

(72) Inventor:
  • Morris, Luis
    Basingstoke, Hampshire RG21 9AX (GB)

(74) Representative: Skone James, Robert Edmund 
Gill Jennings & Every LLP Broadgate House 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) Printed security feature


(57) A printed security feature comprises at least two printed workings (1,2), each working having a different, gradual variation in tone and/or saturation. A raised image is overprinted on the printed workings (1,2) in a substantially opaque ink that has a lightness value that is higher than the highest lightness value of the colours of the underlying printed workings.







Search report