Formation of security paper e.g. banknote with colored marking involves providing photosensitive preparation comprising substance which produces colloidal metal particles under UV irradiation effect on a portion of the document
2003
Résumé
A process for providing a security paper, in particular a banknote, with a coloured marking, comprising providing a photosensitive preparation on a portion of said document and submitting at least selected areas of said portion to a light beam, wherein said preparation is capable of forming a film on said portion and comprises a substance capable of producing colloidal metal particles under the effect of UV irradiation, and said areas are irradiated by means of an UV-light beam.
Détails
Titre
Formation of security paper e.g. banknote with colored marking involves providing photosensitive preparation comprising substance which produces colloidal metal particles under UV irradiation effect on a portion of the document
Auteur(s)
Hoffmann, P. ; Bret, T. ; Moreau, V. ; Hoffman, P.
Date
2003
Editeur
KBA GIORI SA (SKBA) HOFFMAN P (HOFF-Individual) BRET T (BRET-Individual) MOREAU V (MORE-Individual)
Mots-clés (libres)
Note
Alternative title(s) :
(de) Verfahren zur markierung von sicherheitspapieren
(fr) Procede pour creer des marques sur des papiers de securite
(en) Process for providing marking on security papers
Autres identifiant(s)
EPO Family ID: 33547829
Numéro(s) de brevet
CA2533477 (C)
AU2004261333 (B2)
US7514188 (B2)
DE602004010271 (T2)
DE602004010271 (D1)
EP1654126 (B1)
US2006197333 (A1)
EP1654126 (A1)
AU2004261333 (A1)
CA2533477 (A1)
WO2005011992 (A1)
EP1504917 (A1)
AU2004261333 (B2)
US7514188 (B2)
DE602004010271 (T2)
DE602004010271 (D1)
EP1654126 (B1)
US2006197333 (A1)
EP1654126 (A1)
AU2004261333 (A1)
CA2533477 (A1)
WO2005011992 (A1)
EP1504917 (A1)
Laboratoires
LOA
Le document apparaît dans
Production scientifique et compétences > STI - Faculté des sciences et techniques de l'ingénieur > STI Archives > LOA - Laboratoire d'optique appliquée Prof. Salathé
Travail produit à l'EPFL
Brevets
Travail produit à l'EPFL
Brevets
Date de création de la notice
2009-07-20