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Expired Canadian patentCanada

Fat emulsion product and process for producing the same

CA 1071459 A · Owner: Carnation Company · Inventors: Ortiz, Erlinda P.; Petrowski, Gary E.; Wolcott, John M.

CIPO record

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Abstract From the Canadian patent

A stable, dry non-dairy fat emulsion product suitable for use as a coffee whitener is prepared without the use of protein by incorporating a chemically modified dextrinized starch having a lipophilic character in the formulation. The chemically modified starch is included in an aqueous emulsion containing fat or oil and a conventional emulsifier to stabilize the emulsion through the drying step so that upon reconstitution in coffee a stable emulsion is formed. The pH of the liquid emulsion must be controlled in order for the chemically modified starch to be effective in stabilizing the emulsion through the drying step. A buffering agent is mixed with the dried emulsion to improve the taste …

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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 February 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 1997.
  • 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—
GrantedFebruary 12, 1980
Term endedFebruary 12, 1997
Patent numberCA 1071459 A
Classification (IPC)A23C11/00 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedFeb 12, 1980Term endedFeb 12, 1997

Sources & verification

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