Substituted pyrrolo-pyrazole derivatives as kinase inhibitors
CA 2508069 C · Owner: Fancelli, Daniele · Inventors: Orsini, Paolo; Pevarello, Paolo; Amici, Raffaella
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds represented by formula (Ia) or (lb) and wherein R and R1 are as defined in the description, and pharmaceutically acceptable salts thereof are , disclosed; the said compounds are useful in the treatment of cell cycle proliferative disorders, e.g. cancer, associated with an altered cell cycle dependent kinase activity.
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 December 4, 2003 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 4, 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.