Organoleptic pyrazinyl cycloalkyl ketones
CA 1052378 A · Owner: International Flavors And Fragrances Inc. · Inventors: Vinals, Joaquin F.; Pittet, Alan O.; Quinn, Alton D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention has to do with novel compounds of the formula wherein p is one or two, such as pyrazinyl cyclopentyl ketone and pyrazinyl cyclohexyl ketone, and the use of such compounds to alter the flavor or aroma of consumable materials such as foodstuffs tobaccos and fragrances,
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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 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.