Compound
CA 2319694 A1 · Owner: Aarstad, Erik · Inventors: Aarstad, Erik; Skatteboel, Lars
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a pharmaceutical compound or pharmaceutically, acceptable salt thereof for use in medicine, wherein said compound is of formula I, R-Ar-X-Y, I, wherein, R is a pharmaceutically active moiety; Ar is an aromatic moiety;, X is a linker group; and Y is a moiety comprising two phosphonate groups. Further aspects of the invention relate to a process for the preparation of said, compound, and the use of such compounds in the palliative and curative treatment of, bone disorders.
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 15, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 15, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 2022.
- 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.