A preventive or therapeutic agent for sensitized t cell-mediated diseases comprising il-6 antagonist as an active ingredient
CA 2284271 C · Owner: Chugai Seiyaku Kabushiki Kaisha · Inventors: Mihara, Masahiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A preventive or therapeutic agent for sensitized T cell-mediated diseases comprising an interleukin-6 (IL-6) antagonist, for example an antibody directed against IL-6 receptor, an antibody directed against IL-6 an antibody, directed against gp130, and the like.
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 March 20, 1998 and granted May 8, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 2020.
- 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.