Immunogen antivenom and vaccine against the venom of the black widow sp ider
CA 2397731 A1 · Owner: Possani Postay, Lourival Domingos · Inventors: Alagon Cano, Alejandro; Lipkin, Alexei Valerevich; Grishin, Eugene Vasilevich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a recombinant polypeptide that comprises the Nterminal region of .alpha.-Latrotoxin, is capable of generating an immune response in mammals and efficiently and fully neutralizes the venom of the black widow spider. The invention also relates to the cDNA coding for said polypeptide, the vector for the expression thereof the bacterial cells , transformed into said vector and the method for producing the polypeptide by means of cultivation of said cells. The invention further relates to the use of said recombinant polypeptide as a vaccine against the poison of the black widow spider and to the pharmaceutically acceptable preparations of said vaccine. The …
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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 November 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 28, 2022.
- 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.