Graft rejection inhibitor and il-1 production inhibitor
CA 2134880 A1 · Owner: Matsumori, Akira · Inventors: Matsumori, Akira
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rejection inhibitor for transplants containing a carbostyril derivative represented by following general formula or a salt thereof as the active ingredient and, an IL-1 production inhibitor containing said carbostyril derivative or salt thereof as the active ingredient. In said formula, R represents benzoyl which may be substituted by lower alkoxy; and the carbon-to-carbon bond between the 3- and the 4-positions of the carbostyril skeleton represents either a single or double bond. The rejection inhibitor can improve the percentage take of transplants and is utilizable in the transplatation of various organs. The IL-1 production inhibitor is efficacious for the prevention and treatment of …
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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 February 28, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2016.
- 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.