Sulfur containing compounds
CA 2402114 A1 · Owner: Langler, Richard Francis · Inventors: Langler, Richard Francis; Penn, Linda Z.; Baerlocher, Felix J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is directed to novel and known sulfur containing compounds and pharmaceutically acceptable salts thereof that have utility as antifungals and as antiproliferative agents against mammalian cells in particular cancer , cells and most particularly leukemia-derived cells. The invention provides a method for synthesizing certain of the sulfur containing compounds that is more efficient than previously known methods.
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 February 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 26, 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.