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Expired Canadian patentCanada

Sweetness inhibitor

CA 1283807 C · Owner: Kraft General Foods, Inc. · Inventors: Palmer, Marcia D.; Zanno, Paul R.; Hickernell, Gary L.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A sweetness inhibited ingestible product and a process for inhibiting sweetness is disclosed. In this product and process an effective sweetness inhibiting amount of a compound selected from the group consisting of an alkali metal heptyl sulfonate, an alkaline earth metal heptyl sulfonate, an alkali metal octyl sulfonate an alkaline earth, metal octyl sulfonate and mixtures thereof is added to an ingestible composition to which a sweetener has been added.

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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 May 7, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 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.
FiledJune 24, 1986
GrantedMay 7, 1991
Term endedMay 7, 2008
Patent numberCA 1283807 C
Classification (IPC)A23G3/34 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJune 24, 1986Patent grantedMay 7, 1991Term endedMay 7, 2008

Sources & verification

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