G - Physics – 01 – N
Patent
G - Physics
01
N
150/22, 217/43,
G01N 21/78 (2006.01) B65D 79/02 (2006.01) B65D 85/10 (2006.01) G01N 21/81 (2006.01) G01N 31/22 (2006.01)
Patent
CA 2027271
A solution-type moisture indicating ink to be printed on a substrate and change color at a preselected ambient moisture. The indicator ink includes a solvent carrier system, a moisture indicating substance which changes color under the influence of moisture, and a resin system as a binder to hold the moisture indicating substance to the substrate as well as a film forming and viscosity adjusting agent.
Jenkins Carl Benjamin
Lauterbach John Harvey
Brown & Williamson Tobacco Corporation
Riches Mckenzie & Herbert Llp
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