(19)
(11) EP 1 607 520 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.04.2009 Bulletin 2009/16

(43) Date of publication A2:
21.12.2005 Bulletin 2005/51

(21) Application number: 05076430.7

(22) Date of filing: 16.06.2005
(51) International Patent Classification (IPC): 
D21H 21/48(2006.01)
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 MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 16.06.2004 NL 1026430

(71) Applicant: VHP Veiligheidspapierfabriek Ugchelen B.V.
7339 GJ Apeldoorn (NL)

(72) Inventors:
  • Krul, Johannes
    6641 ZB Beuningen (NL)
  • Bronold, Norbertus Martinus
    5855 AD Well (NL)

(74) Representative: Volmer, Johannes Cornelis 
Exter Polak & Charlouis B.V. P.O. Box 3241
2280 GE Rijswijk
2280 GE Rijswijk (NL)

   


(54) Security paper provided with a security feature exhibiting luminescence


(57) A security paper (10), comprising a substrate surface delimited by sides, is provided with a security feature (12a-12d) which exhibits luminescence. The security feature comprises at least one luminescent plastic fibre (20) consisting of a plastic and at least one luminescent compound, the plastic fibre having maximum transverse dimensions in the range from 2-50 micrometres such that it is not visible to the naked eye both in reflective light and in transmitted light, and the plastic fibre (20) extends between at least two sides (19a, 19b) of the security paper, and the luminescent plastic fibre (20) does not have any visually perceptible emission in the visible region under daylight conditions.







Search report