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Expired Canadian patentCanada

Method for preserving high moisture content agricultural grains

CA 1045446 A · Owner: International Stock Food Corporation · Inventors: Czarnetsky, Edward J.; Forest, Joseph G.

CIPO record

Overview

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

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Abstract From the Canadian patent

There is provided a method for preserving high, moisture content agricultural grains which comprises, treating such grains with a composition consisting essentially of: 1) an organic food-grade acid or phosphoric acid, 2) any water-soluble, non-corrosive non-toxic, alkali or alkaline earth metal sulfate salt and 3) a, synthetic organic cationic or anionic surfactant for enhancing the penetration of said acid into said grains.

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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 January 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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—
GrantedJanuary 2, 1979
Term endedJanuary 2, 1996
Patent numberCA 1045446 A
Classification (IPC)A23K30/00

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJan 2, 1979Term endedJan 2, 1996

Sources & verification

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