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Expired Canadian patentCanada

Method of production of extruded cereal-based fried food containing added protein

CA 2175452 C · Owner: Lanner, David Arthur · Inventors: Dawes, Nancy Coultrip; Toman, Lori Jean; Villagran, Maria Delores

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

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Abstract From the Canadian patent

An improved method for the production of extruded cereal grain-based fried food products having improved qualities is provided. In the improved method the cereal grain-based food product is formed by extrusion of a cereal grain dough mass containing a protein followed by frying the extruded cereal grain dough to produce a fried cereal grain food product having reduced gumminess or toothpacking and grittiness.

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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 November 24, 1993 and granted January 12, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 24, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 24, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 24, 1993
GrantedJanuary 12, 1999
Term endedNovember 24, 2013
Patent numberCA 2175452 C
Classification (IPC)A23L7/13 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedNov 24, 1993Patent grantedJan 12, 1999Term endedNov 24, 2013

Sources & verification

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