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Expired Canadian patentCanada

Food preservation systems

CA 2592750 C · Owner: Paper Pak Industries-Ppi · Inventors: Etchells, Marc D.; Versteylen, Sayandro

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention provides a food preservation system that includes a multi-phase bacterial inhibition food pad. The food pad includes absorbent media and/or material to absorb fluids emanating from the packaged food. The absorbent media/material includes one or more bacterial inhibitors that may possess bacteriostatic and/or bactericidal properties. In addition the food , pad may also include an atmosphere modification system capable of modifying an atmosphere in a food package. Optionally one or more reaction promoters , and/or one or more mechanisms to protect the food preservation system may also be included in the food pad. Overall, the food preservation system inhibits …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed January 19, 2006 and granted September 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 19, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 19, 2006
GrantedSeptember 24, 2013
Term endedJanuary 19, 2026
Patent numberCA 2592750 C
Classification (IPC)A23B4/20

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 19, 2006Patent grantedSep 24, 2013Term endedJan 19, 2026

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.