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Determination of pharmaceutical expiration date

  • US 6,691,058 B2
  • Filed: 04/29/2002
  • Issued: 02/10/2004
  • Est. Priority Date: 04/29/2002
  • Status: Expired due to Fees
First Claim
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1. Apparatus for determining the expiration date of a medication, comprising:

  • a supply of medication in a container comprising a metered dose inhaler having a drop generator coupled to the supply of medication;

    a temperature sensor operatively coupled to the container and capable of measuring the temperature of the medication to generate temperature data;

    a programmable real time clock;

    a controller programmed with medication temperature profile data specific to the medication, wherein the controller integrates temperature data and time data with medication temperature profile data to generate an expiration date of the medication, wherein the controller is configured for deactivating the drop generator in response to generation of an expiration date.

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