An artificial peptide capable of neutralizing the biological activity of interleukin-18
CA 2276216 A1 · Owner: Kurimoto, Masashi · Inventors: Tanimoto, Tadao; Nishida, Yoshihiro; Kurimoto, Masashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are artificially produced peptide capable of neutralizing the biological activities of IL-18 which comprises, a part or the whole of the variable regions in anti-interleukin-18 antibody, including single chain variable region fragments and humanized antibodies, a process of producing the peptide and, uses thereof. The peptide is useful as pharmaceutical to treat and prevent diseases such as autoimmune diseases and inflammatory diseases, where the biological activities of interleukin-18 are involved.
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 June 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 23, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 23, 2021.
- 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.