Injectable implants for tissue augmentation and restoration
CA 2319558 A1 · Owner: Urry, Dan W. · Inventors: Urry, Dan W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for tissue augmentation in a mammal is provided comprising injecting a polymer at a tissue site in need of augmentation and having a tissue temperature, the polymer comprising repeating peptide monomeric units selected from the group consisting of nonapeptide pentapeptide and tetrapeptide , monomeric units wherein the monomeric units form a series of .beta.-turns separated by dynamic bridging segments suspended between the .beta.-turns wherein the polymer has an inverse temperature transition Tt less than the tissue temperature, and wherein the polymer is injected as a water solution at coacervate concentration in the substantial absence of additional water. A kit containing …
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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 February 26, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 26, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 26, 2021.
- 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.