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Expired Canadian patentCanada

Method of preparing foodstuffs containing coagulating proteins and a device for performing the method

CA 1110489 A · Owner: Husqvarna Aktiebolag · Inventors: Risman, Per O.G.; Bengtsson, Nils E.

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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 and apparatus for the treatment of protein containing foodstuffs wherein the foodstuffs are pumped in a microwave transparent tube through an applicator for exposure to microwave TH021 energy. The foodstuffs may be in paste form. If the foodstuffs are eggs the yolks, and egg whites are pumped through concentric tubes before combination thereof in the applicator.

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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

  • Granted October 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 5, 1979
GrantedOctober 13, 1981
Term endedOctober 13, 1998
Patent numberCA 1110489 A
Classification (IPC)A23J1/08 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedFeb 5, 1979Patent grantedOct 13, 1981Term endedOct 13, 1998

Sources & verification

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