Composite structures containing hyaluronic acid the derivatives thereof as new bone substitutes and grafts
CA 2547461 C · Owner: Anika Therapeutics S.R.L. · Inventors: Pressato, Daniele; Pastorello, Andrea
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composite material comprising: (i) hyaluronic acid and/or hyaluronic acid derivatives, (ii) demineralised bone and/or biocompatible partially or totally demineralised bone tissue matrix and/or biocompatible and bioresorbable ceramic materials. This material preferably associated with at least one layer comprising a hyaluronic acid derivative may be used in the preparation of bone substitutes or grafts for the regeneration or formation of bone tissue in surgery.
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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 26, 2004 and granted December 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 26, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.