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Expired Canadian patentCanada

Acidulent comprising fumaric acid and dried natural juice solids

CA 1293642 C · Owner: Kraft General Foods, Inc. · Inventors: Mckay, Randal Peter; Saleeb, Fouad Zaki

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

The invention describes a wettable and soluble acidulent comprising fumaric acid and natural juice solids. The fumaric acid is employed in amounts of at least 50% by weight of the acidulent and the natural juice solids are employed in amounts of at least 5% by weight. The acidulent may additionally contain a sweetener employed in amount of at least 2% by weight.

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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 December 31, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 12, 1986
GrantedDecember 31, 1991
Term endedDecember 31, 2008
Patent numberCA 1293642 C
Classification (IPC)A23L27/00 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedAug 12, 1986Patent grantedDec 31, 1991Term endedDec 31, 2008

Sources & verification

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