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Sterilizable package and method

  • US 4,091,921 A
  • Filed: 03/22/1977
  • Issued: 05/30/1978
  • Est. Priority Date: 08/21/1975
  • Status: Expired due to Term
First Claim
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1. A sterilizable package comprising a plastic member, a paper member, a first heat seal marginally sealing the plastic member to the paper member to define a pouch receptive of an item to be sterilized, indicia borne by the paper member on the inside of the pouch located adjacent to and spaced from said marginal heat seal, said indicia changing color upon sterilization of the package, and at least one second heat seal located interiorly of the marginal heat seal and adjacent to and spaced from the indicia and cooperating with said marginal heat seal to surround and isolate the indicia to prevent the package contents from covering or being contaminated by coming in contact with said indicia.

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