Novel carborane analogs of tamoxifen
CA 2348853 A1 · Owner: Schaffer, Paul · Inventors: Stephenson, Karin; Valliant, John F.; Schaffer, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to novel tamoxifen analogs in particular, novel carborane analogs of the antiestrogen tamoxifen. The use of the, compounds of the invention as antestrogens in particular for the treatment, and/or prevention of breast cancer and osteoporosis is claimed. The, invention also covers methods for using the compounds of the invention in boron neutron capture therapy (BNCT), boron neutron capture synovectomy and in 11B magnetic resonance imaging (MRI) of tumours.
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 May 25, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 25, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 25, 2023.
- 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.