Stents comprising biodegradable polymers associated with therapeutic agents
CA 2506319 C · Owner: Polymerix Corporation · Inventors: Giroux, Karen J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Medical devices with at least one surface comprising a polymer or polymers on the , surface are provided. The polymer or polymers are capable of breaking down (e.g. including, but not limited to, hydrolyzing) in the physiologic milieu to form an active , agent or agents under physiologic conditions and can contain other active , agents dispersed within or appended to the polymer matrix. It is particularly provided a stent , having at least one surface comprising a polymer on all or a portion of said at least , one surface, wherein the polymer comprises a first active agent selected from the , group consisting of salicylic acid diflunisal and methotrexate, that is , incorporated into …
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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 18, 2003 and granted August 28, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 18, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 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
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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.