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Sterilization monitors

  • US 6,346,417 B1
  • Filed: 01/05/2000
  • Issued: 02/12/2002
  • Est. Priority Date: 06/25/1997
  • Status: Expired due to Term
First Claim
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1. A sterilization monitoring device comprisinga substrate, having a laminated side, carrying a monitoring composition, and a housing including a vapor permeable barrier and a vapor impermeable barrier defining a vapor head space, wherein the substrate is enclosed within the housing with the laminated side mounted to the vapor permeable barrier.

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