Electrically conductive polymeric biomaterials, the process for their preparation and the use thereof in the biomedical and healthcare field
CA 2446554 A1 · Owner: Fidia Advanced Biopolymers S.R.L. · Inventors: Panero, Stefania; Abbati, Gianluca; Crescenzi, Vittorio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention concerns the preparation of composite biomaterials constituted by hyaluronic acid and the derivatives thereof in combination with polymers that have electrically conductive properties. In particular the , methods of preparing biomedical devices formed by a two- or three-dimensional polysaccharide matrix and by an electrically conductive membrane. The matrix is constituted by hyaluronic acid derivatives in the form of membranes woven , fabrics, nonwoven felts, meshes gauzes, guide channels or sponges, while the electrically conductive membrane is constituted by a film of polypyrrole (polymer conductor) in combination with hyaluronic acid or a derivative thereof …
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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 April 29, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 29, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 29, 2024.
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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.