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Expired Canadian patentCanada

Brownable dough for microwave cooking

CA 1192436 A · Owner: Campbell Soup Company · Inventors: Kwis, Stanley H.; Fulde, Roland C.

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

This invention provides a reactive dough composition which undergoes chemical surface browning upon exposure to microwave energy. This reactive dough composition is preferably incorporated as a coating layer on frozen food products having a crust component e.g. pies. The, resulting food product can be heated or cooked in a micowave oven to give a cooked product which is comparable or superior in color and savor to fresh products baked in a conventional oven. The reactive composition contains as the essential active ingredients a reducing sugar such as dextrose and an amino acid source such as a yeast extract.

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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 August 27, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 2002.
  • 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 17, 1982
GrantedAugust 27, 1985
Term endedAugust 27, 2002
Patent numberCA 1192436 A
Classification (IPC)A21D10/00 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedNov 17, 1982Patent grantedAug 27, 1985Term endedAug 27, 2002

Sources & verification

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