Medical implants, prostheses, prosthesis parts, medical instruments, devices and auxiliary contrivances made of a halogenide-modified magnesium substance
CA 2473756 A1 · Owner: Medizinische Hochschule Hannover · Inventors: Wirth, Carl-Joachim; Witte, Frank; Bach, Friedrich-Wilhelm
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The use of a magnesium substance, whose corrosiveness is altered as a result of modification with halogenides, enables medical implants prostheses or , prosthesis parts and medical instruments devices and auxiliary contrivances, especially surgical instruments or tools for use in and on the human or , animal body to be produced whereby the degree of corrosion-resistance thereof can be adjusted to full corrosion-resistance.
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 December 13, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 13, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 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.