Shark meat extract
CA 2423331 A1 · Owner: Davis, Paul Frank · Inventors: Davis, Paul Frank; Mackenzie, Andrew Douglas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An extract obtained from shark meat, which extract is capable of inhibiting angiogenesis in an animal. A process for obtaining the extract by contacting shark meat with a solvent, separating the resulting solution from the meat then removing the solvent to give an extract which is an inhibitor of angiogenesis. The use of the extract for treatment of diseases associated with angiogenesis including cancer, retinopathy inflammation, and arthritis.
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 December 18, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 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.