G - Physics – 07 – D
Patent
G - Physics
07
D
G07D 7/00 (2006.01) B41M 3/14 (2006.01) D21H 21/46 (2006.01) G01N 31/22 (2006.01) G01N 33/34 (2006.01) G01N 33/52 (2006.01) G07D 7/14 (2006.01) B41M 3/00 (2006.01)
Patent
CA 2166868
This invention relates to a solution for detecting the counterfeit of paper currency. The solution contains iodine at concentration from 0.005 to 3 grams/litre and the solution solvents can be: alcohols, ketones, polyalcohols, esters, ethers, a mixture of solvents belonging to the same chemical class or to several classes of the above solvents. The solvent or the solvent mixture, if they are miscible with water, contain distilled water in the ratio from 99:1 to 1:99 by volume: in all other cases the organic solvent or the solvent mixture is saturated with distilled water at the temperature of 20 °C. The prepared chemical solution, contained inside ball-pens, or fountain pen or felt pens or other possible dispensers, is used for countersigning the paper currency. In a counterfeit case, the line on the paper currency turns, in about one minute, one of the following colours: lilac, violet lilac, violet deep blue, havana yellow. In case of a genuine paper currency, the drawn line of solution doesn't change its colour and disappears completely from the countersigned currency.
Solution pour la détection de faux billets de banque. La solution contient de l'iode à raison de 0,005 à 3 grammes/litre, et les solvants de la solution peuvent être des alcools, des cétones, des polyalcools, des esters, des éthers, ou un mélange de solvants compris dans une même classe chimique ou dans plusieurs classes de solvants du type précité. Lorsque le solvant ou mélange de solvants est miscible à l'eau, il contient de l'eau distillée selon un rapport compris entre 99:1 et 1:99 en volume; sinon, le solvant organique ou mélange de solvants est saturé d'eau distillée à une température de 20 DEG C. La solution chimique ainsi obtenue, contenue dans un stylo à bille, un stylo à encre, un stylo-feutre ou analogue, est utilisée pour contresigner les billets de banque. Au cas où un billet serait un faux, le trait tracé sur le billet présentera, après un délai d'une minute environ, l'une des couleurs suivantes: lilas, lilas violacé, bleu foncé violacé ou jaune havane. Dans le cas contraire, la couleur du trait demeure inchangée et le trait disparaît entièrement du billet contresigné.
Marks & Clerk
Pifferi Piergiorgio
LandOfFree
Chemical solution to detect the counterfeit of paper currency does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Chemical solution to detect the counterfeit of paper currency, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chemical solution to detect the counterfeit of paper currency will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1469786