Interleukin-6 production inhibitor
CA 2321864 A1 · Owner: Ito, Masatoshi · Inventors: Okazaki, Seiji; Funaba, Yuriko; Tanahashi, Masahiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Drugs effective in the prevention and treatment of diseases due to abnormal production of interleukin-6, which are interleukin-6 production inhibitors containing as the active ingredient methanebis-phosphonic acid derivatives and exhibit an inhibitory effect against the production of interleukin-6. These drugs can be expected to be effective in the prevention and treatment of diseases in which interleukin-6 participates for example, thrombocytosis, inflammatory diseases immune response disorders, osteoporosis rheumatoid , arthritis, hypercalcemia, multiple myeloma cachexia and nephritis.
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.