Agent for topical ophthalmic treatment of ocular inflammatory diseases
CA 2445508 A1 · Owner: Ueno, Ryuji · Inventors: Ueno, Ryuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an agent for topical ophthalmic treatment of a human for ocular inflammatory diseases containing a tricyclo compound as , shown by the general formula (I) or its pharmaceutically acceptable salt as the active ingredient in the concentration of 0.01% - 0.1%. The present agent for topical ophthalmic treatment continuously shows superior ocular antiinflammatory effects by topically administering it in a low dose to the eye of the human having the ocular inflammatory diseases. The present agent is effective for symptoms caused by the ocular inflammatory diseases such as itching, flare, edema, ulcer, etc. The present agent is also effective for a subject in …
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 April 12, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 12, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 12, 2024.
- 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.