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Expired Canadian patentCanada

Foodstuff processing

CA 2622928 C · Owner: Klingler, Mario · Inventors: Suwanchewakorn, Prayouth; Curulli, Franca; Mawson, Raymond Frank

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

A method of processing food elements of plant tissue having a cellular structure with substantial starch content comprising arranging the food elements in an aqueous liquid and applying acoustic energy with a selected frequency, energy and time profile to modify the cellular structure of a surface portion of the food elements by removing components from the cellular structure and establishing a pectin based surface portion surrounding a core portion and adapted to act as a barrier in a high temperature subsequent cooking process, the modified cellular structure providing for a relatively low moisture surface portion to be established and maintained and moisture to be substantially …

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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 September 20, 2006 and granted July 9, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 20, 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.
FiledSeptember 20, 2006
GrantedJuly 9, 2013
Term endedSeptember 20, 2026
Patent numberCA 2622928 C
Classification (IPC)A23L5/30 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedSep 20, 2006Patent grantedJuly 9, 2013Term endedSep 20, 2026

Sources & verification

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