Dermal delivery of a water-soluble selective cyclooxygenase-2 inhibitor, e.g. parecoxib and valdecoxib
CA 2501287 A1 · Owner: Kienle, Kathryn M. · Inventors: Kienle, Kathryn M.; Stoller, Brenda M.; Lu, Guang Wei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pharmaceutical composition for application to an area of skin of a subject for local and/or systemic treatment of a COX-2 mediated disorder comprises a backing sheet that is flexibly conformable to the area of skin the backing , sheet having opposing surfaces that are respectively distal and proximal to the skin when applied; and a coating on the proximal surface of the backing sheet that comprises (a) an adhesive and (b) an active agent comprising valdecoxib or a prodrug thereof or a salt thereof the active agent being in a , therapeutically effective total amount and dispersed in a matrix that comprises zero to less than an active agent solubilizing effective amount in total 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 November 12, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 12, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2025.
- 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.