Patent Yard Sign in
Expired Canadian patentCanada

Flavoring compositions and products

CA 1045891 A · Owner: International Flavors And Fragrances Inc. · Inventors: Karoll, Elizabeth A.; Mayers, Bernard J.; Heinsohn, Howard H. (Jr.)

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Methods for altering the organleptic properties of foodstuffs comprising incorporating with such foodstuffs a small but effective amount of at least one 3-thia furan having the formula: wherein R1 is C1-C7 straight chain or branched chain alkyl or alkenyl; or R1 is either furyl, thienyl toluyl, phenyl ethyl, or phenyl; and wherein each of R2 R3 and R4 is the same or, different hydrogen or lower alkyl together with the compositions containing the 3-thia furans for use in altering organoleptic properties.

Read the whole patent

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 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 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 9, 1979
Term endedJanuary 9, 1996
Patent numberCA 1045891 A
Classification (IPC)A23L27/20 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJan 9, 1979Term endedJan 9, 1996

Sources & verification

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