Medical device with biomolecule-coated surface graft matrix
CA 2206147 A1 · Owner: Cahalan, Patrick T. · Inventors: Hendriks, Marc; Cahalan, Linda L.; Cahalan, Patrick T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A medical device having a surface graft matrix comprising carboxyl-functional groups located on the device, the surface graft matrix comprising an outer portion; and one or more biomolecules covalently coupled to the surface graft matrix wherein a majority of, the biomolecules are located in the outer portion of the surface graft matrix. The surface graft matrix can also be loaded with a pharmaceutical agent.
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 May 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 26, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2019.
- 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.