Tetraalkyl substituted tricyclic ketone
CA 1289151 C · Owner: Watkins, Hugh · Inventors: Watkins, Hugh; O'Rourke, Thomas J.; Schreiber, William L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Described is the compound having the structure: which is used as an intermediate in preparing compounds having organoleptic properties for augmenting or enhancing the aroma or taste of consumable materials which compounds, have the structures:, and
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 September 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 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.
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.