Antineoplastic compounds and methods of using same
CA 2039212 C · Owner: Skibo, Edward B. · Inventors: Skibo, Edward B.; Islam, Imadul; Alberts, David S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New cytotoxic quionones, designated azamitosenes and iminoazamitosenes are found to have significant activity against ovarian tumors, colon cancer, myecloma and the like neoplastic diseases. Pharmaceutical preparations and therapeutic regimens utilizing azamitosenes arid iminoazamitosenes and their pharmaceutically active derivatives are disclosed.
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 March 27, 1991 and granted June 20, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 27, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 2013.
- 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.