ENDPOINT AND TIME DURATION INDICATOR AND METHOD BASED ON A VOLATILE DYE

A time duration of end of product life indicator is disclosed which utilizes a volatile dye coated or impregnated into a substrate or carrier. The dye evaporates as a volatile component of the product evaporates thereby changing the color of the substrate or carrier. The consumer is alerted to the d...

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Bibliographische Detailangaben
Hauptverfasser: FORKNER, STACEY, L, HOUSER, DAVID, J, MUNAGAVALASA, MURTHY, S, FLASHINSKI, STANLEY, J, BUCHAKLIAN, ADAM, HAGOP
Format: Patent
Sprache:eng ; fre
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