Method for priming hard tissue
CA 1304000 C · Owner: Minnesota Mining And Manufacturing Company · Inventors: Oxman, Joel D.; Aasen, Steven M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A single phase aqueous solution containing water a water-soluble film former (e.g. 2-hydroxyethylacrylate) and a salt of an acid (e.g, calcium trifluoroacetate) is used as a primer for adhering to or overcoating hard tissue such as tooth dentin.
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
- Granted June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 2009.
- 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.