Novel podophyllotoxin compositions
CA 2397871 A1 · Owner: Li, Shengmin · Inventors: Li, Shengmin; Alakhov, Valery; Lutz, Olivier
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention discloses compositions comprising podophyllotoxins analogs thereof, or derivatives thereof and a surfactant. The invention also , discloses a podophyllotoxin composition further comprising a targeting moiety. The present invention also discloses a method of delivering a podophyllotoxin an analog thereof or a derivative thereof to a cell by administering the , described podophyllotoxin compositions. Further the present invention , discloses a method of making the podophyllotoxin compositions.
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 January 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 11, 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.