Patents Represented by Attorney Anthony Langani, Jr.

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  • Time-temperature integrating indicator
    Patent number: 3996007
    Abstract: A pouch for containing the gas generating means in a Time-Temperature Indicator which comprises a rate controlling film formed into a sealed pouch having contained therein a frangible ampule containing the gas generating means, said ampule being enclosed in a porous medium, said medium containing an indicator composition responsive to the gas generated by the gas generating means, so as to indicate a color change thereby making the user aware that the gas ampule has been broken.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: December 7, 1976
    Assignee: Bio-Medical Sciences, Inc.
    Inventors: Shou-Mean Fang, Craig R. Hof