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Monitoring temperature-sensitive cargo with automated generation of regulatory qualification

  • US 8,935,934 B2
  • Filed: 12/04/2013
  • Issued: 01/20/2015
  • Est. Priority Date: 03/12/2013
  • Status: Active Grant
First Claim
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1. A process of determining, at a point during shipment, whether a solid phase refrigerant in a shipment is sufficient to preserve a shipment cargo, which is blood or other biological products, for a remaining shipment period to an intended recipient, comprising:

  • monitoring temperatures encountered and the time of exposure to such temperatures to said point by the shipment, using a logger which is connected to temperature sensors, and estimating temperatures likely to be encountered during the remaining shipment period and time of exposure to said estimated temperatures;

    determining a likelihood that the remaining refrigerant can maintain the shipment cargo within a specified temperature range during the remaining shipment period based on the estimation of the temperatures likely to be encountered and the time of exposure; and

    if risk that the remaining refrigerant cannot maintain the shipment cargo within said range during the remaining shipment period is above a cut-off level, then adding refrigerant to the shipment, moving the shipment to a faster transportation mode, moving the shipment to a temperature-controlled environment, or diverting the shipment to a different recipient.

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