Compositions and medical devices utilizing bioabsorbable polymeric waxes
CA 2391898 C · Owner: Arnold, Steven C. · Inventors: Nathan, Aruna; Rosenblatt, Joel; Arnold, Steven C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to medical devices pharmaceutical or agricultural compositions and seeds, each containing a synthetic bioabsorbable, biocompatible polymeric wax that is the reaction product of a polybasic acid or derivative thereof a polyol and a fatty acid, the polymeric wax having a melting point less than about 70°C as determined by differential scanning calorimetry. 45
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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 June 27, 2002 and granted October 4, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 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.