Vitamin-mitomycin conjugates
CA 2484640 C · Owner: Vlahov, Iontcho Radoslavov · Inventors: Leamon, Christopher Paul; Vlahov, Iontcho Radoslavov
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to vitamin-mitomycin conjugates to a method of using , the conjugates to selectively eliminate a population of pathogenic cells in a host animal harboring the pathogenic cells and to a method of preparation of , the conjugates. The conjugate is of general formula B-L-X wherein the group B is a vitamin, or an analog or a derivative thereof that binds to a surface , accessible vitamin receptor that is uniquely expressed overexpressed, or , preferentially expressed by a population of pathogenic cells wherein the , group L comprises a cleavable linker and wherein the group X comprises a , mitomycin compound or an analog or a derivative thereof. An additional therapeutic …
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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 13, 2003 and granted January 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 13, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 13, 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.