1
Gordhanbhai Patel: Color changing device for monitoring shelf-life of perishable products. J P Labs, October 1, 1991: US05053339 (154 worldwide citation)

A color changing device for monitoring the time-temperature storage history, i.e. shelf life, of perishable products. The device is constructed of an activator tape, containing an activator composition matrix, an indicating tape, containing an indicating composition matrix and an optional barrier ma ...


2
Patel Gordhanbhai: Color changing device for monitoring shelf-life of perishable products. Jp Laboratories, Patel Gordhanbhai, BEHR Omri M, June 11, 1992: WO/1992/009870

A color changing device for monitoring the time-temperature storage history, i.e. shelf-life, of perishable products. The device is constructed of an activator tape, containing an activator composition matrix, an indicating tape, containing an indicating composition matrix and an optional barrier ma ...


3
Patel Gordhanbhai: Color changing device for monitoring shelf-life of perishable products.. Jp Lab, September 8, 1993: EP0558481-A1

A color changing device for monitoring the time-temperature storage history, i.e. shelf-life, of perishable products. The device is constructed of an activator tape, containing an activator composition matrix, an indicating tape, containing an indicating composition matrix and an optional barrier ma ...