C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
283/25, 117/6
C09D 5/00 (2006.01) A63F 3/06 (2006.01) B41M 3/14 (2006.01) B42D 15/00 (2006.01) B65D 33/34 (2006.01)
Patent
CA 1158104
ABSTRACT A normally opaque blush coating comprised of a mass of dispersed light-scattering polymeric particles in intimate con- tact with a minor amount of a binder composition, wherein the binder composition is adapted to collapse the coating and coalesce the polymeric particles into a normally translucent coating upon the application of either heat, or solvents selected from a wide spectrum of aromatic and aliphatic solvents. This form of blush coating susceptible to heat or to a wide spectrum of organic solvents finds use in the manufacture of lottery tickets. Such susceptibility reveals that solvent or thermal techniques have been used in tampering with the ticket or a pouch package in which the ticket is held. Such tampering is often the result of an illicit attempt to obtain information about the indicia printed on the ticket.
344492
Ludlow Corporation
Smart & Biggar
LandOfFree
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