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Expired Canadian patentCanada

Sweetening composition and method

CA 1086559 A · Owner: General Foods Corporation · Inventors: Pischke, Lamonte D.; Shoaf, Myron D.

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

OF THE INVENTION, L-aspartic acid derivatives typified by L-aspartyl L-, phenylalanine methyl ester (APM) in crystalline form are agglomerated by a minor weight percent of a like solution serving as a permanent aggregating matrix at the spaced points of contact in a random distribution of the crystals whereby they are assembled and immobilized to a free flowing form for use in dry food mixes.

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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 September 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 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.
FiledMarch 28, 1977
GrantedSeptember 30, 1980
Term endedSeptember 30, 1997
Patent numberCA 1086559 A
Classification (IPC)A23L27/30 +1 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedMarch 28, 1977Patent grantedSep 30, 1980Term endedSep 30, 1997

Sources & verification

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