B - Operations – Transporting – 44 – F
Patent
B - Operations, Transporting
44
F
B44F 1/12 (2006.01) B41M 3/14 (2006.01) G03G 21/04 (2006.01) G06K 19/06 (2006.01)
Patent
CA 2245127
The invention relates to a security marking whose level of proof against forgery is increased relative to known security markings, comprising liquid-crystalline material with chiral phase, wherein present within the security marking are at least two liquid-crystalline materials with chiral phase which differ in at least one property selected from the group consisting of handedness, color and color flop and which are arranged in the form of a structured or unstructured marking or a multilayer marking or in the form of liquid-crystalline pigments in a liquid-crystalline matrix, or wherein there is at least one liquid-crystalline material with chiral phase whose reflection band has been broadened by means of special techniques, or wherein there is at least one liquid-crystalline material with chiral phase which has a defined three-dimensional arrangement.
Kupfer Jurgen
Leigeber Horst
Muller-Rees Christoph
Schwalb Georg
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Consortium Fur Elektrochemische Industrie Gmbh
Sicpa Holding Sa
LandOfFree
Machine-detectable security marking with an increased level... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Machine-detectable security marking with an increased level..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Machine-detectable security marking with an increased level... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1681500