Method and composition for revitalizing scar tissue
CA 2103938 A1 · Owner: Rhee, Woonza M. · Inventors: Rhee, Woonza M.; Berg, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In accordance with the present invention a method is disclosed for the, remediation of scar tissue in a human or an animal by introducing into the scar tissue or into tissue adjacent the scar tissue a remedial composition comprising a bioactive material selected from naturally occurring growth factors synthetic growth factors, active peptide segments of naturally occurring and synthetic growth factors and mixtures, thereof. Typically the remedial composition includes a biodegradable or nonbiodegradable support matrix material to provide for timed release of the bioactive material. Preferably, the support matrix material is biodegradable and is selected from the group consisting of collagen, …
Read the whole patent
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 August 12, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 12, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 12, 2015.
- 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.