Cycloaliphatic unsaturated esters as flavour and odour agents
CA 1050043 A · Owner: Naarden International N.V. · Inventors: Konst, Wilhelmus M. B.; Wille, Hans J.; Kos, Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to safranic acid esters having the general formula IV, wherein the dotted lines represent two conjugated double bonds in the positions 2 endocyclic and 4 (.alpha.-isomer) 1 and 3 (.beta.-isomer), or 2 exocyclic and 3 (.gamma.-isomer) R1 represents an alkyl group, or, in the .gamma.-isomers an alkylidene group with 1-3 carbon atoms and R2 represents an alkyl- or alkenyl group with 1-4 carbon atoms which are useful as flavouring and perfume agents.
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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.