Sterilization of bioactive coatings
CA 2391899 A1 · Owner: Hossainy, Syed · Inventors: Hossainy, Syed; Hui, Henry K.; Roller, Mark B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a method for single-step surface modification grafting and sterilization for bio-active coating on materials and biomaterials used in, medical devices, such as catheters tissue engineering scaffolds, or drug delivery, carrier materials. This may include any medical device or implantable that could, benefit from improved antithrombogenic and biocompatible surfaces. Other relevant, device examples may include heparin or urokinase coated stents to reduce clotting, and restenosis, dental or ophthamological implants. These materials may be comprised of a variety of polymeric compositions such as polyurethane, polyester, polytetrafluoroethylene polyethylene, …
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 June 27, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2024.
- 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.