Compositions containing ionic liquids and uses thereof, especially in organic synthesis
CA 2500206 C · Owner: Universite De Rennes 1 · Inventors: Gmouh, Said; Vaultier, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to the use of an ionic liquid as a matrix liquid for organic synthesis in a homogeneous phase on a soluble medium said ionic liquid being present in the form of a liquid or solid at room temperature having formula A¿1??+¿X¿1??-¿, A¿1??+¿ representing a functional or non-functional cation or a mixture of cations wherein none of said cations are functional or at least one of the cations is functional and X¿1??-¿ a functional or non-functional anion or a mixture of anions wherein none of the anions are functional or at least one of the anions is functional.
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
- Filed September 23, 2003 and granted June 11, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 2025.
- 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.