B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/06 (2006.01) B32B 3/26 (2006.01) B32B 5/18 (2006.01) B42D 15/00 (2006.01) B42D 15/10 (2006.01)
Patent
CA 2333417
The invention relates to improved security documents such as banknotes, cheques and passports which are required to provide a high degree of security against imitation and a substrate for producing such security documents. The invention therefore provides a substrate for security documents comprising at least a plurality of layers of polymeric film (14, 15) laminated together with at least one metallic layer (17) therebetween, wherein at least one of the polymeric layers is biaxially oriented and at least another comprises an opaque voided film wherein the opacity of at least a portion of the voided polymeric layer is reduced.
L'invention porte sur des documents de sécurité améliorés, tels que des billets, des chèques et des passeports, pour lesquels un degré de sécurité élevé est requis contre l'imitation, et sur un substrat permettant la production desdits documents de sécurité. L'invention se rapporte ainsi à un substrat pour documents de sécurité, constitué d'au moins plusieurs couches de film polymère (14 15) stratifiés ensemble avec au moins une couche métallique (17), au moins une des couches polymères étant orientée biaxialement et au moins une autre couche comprenant un film à vide opaque, l'opacité d'au moins une partie de la couche polymère à vide étant réduite.
de La Rue International Limited
Ridout & Maybee Llp
LandOfFree
Improvements in security documents and substrates therefor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Improvements in security documents and substrates therefor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Improvements in security documents and substrates therefor will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1464292