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Expired Canadian patentCanada

Preparation of food products

CA 1057572 A · Owner: Agricultural Production And Vegetable Products Ltd. · Inventors: Duthie, Iain F.

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Abstract From the Canadian patent

An aqueous slurry of legume seeds is subjected to amylolytic enzyme treatment, preferably by by .alpha.-amylase followed by amyloglucosidase. The dry starting material or the slurry may be divided into protein-enhanced and protein-depleted fractions to facilitate treatment. Lipid and/or methionine derivatives may also be added, and the resultant product optionally treated with aldehyde. The products find application as milk-replacers, food ingredients and foods for human and non-human mammals. - 1 -

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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 July 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 3, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 3, 1979
Term endedJuly 3, 1996
Patent numberCA 1057572 A
Classification (IPC)A23L1/20 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 3, 1979Term endedJuly 3, 1996

Sources & verification

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