Patents Represented by Attorney S. J. Asman

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  • Frangible container with rupturing device
    Patent number: 4732850
    Abstract: A biological indicator is made of a vial which contains a "spore dot", a nutrient solution in a frangible ampoule, and means for positioning the spore dot and for breaking the ampoule to release the nutrient solution when the cap of the vial is fully pressed on. The nutrient solution typically contains a pH indicator to determine whether all active spores on the strip were killed by a sterilization process which takes place prior to breaking the ampoule.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: March 22, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: James R. Brown, Steven T. Buglino