Radiopaque dental material
CA 1283239 C · Owner: Rheinberger, Volker M. · Inventors: Michl, Rudolph J.; Ott, Gilbert; Rheinberger, Volker M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apart from polymerizable organic binders a, radiopaque dental material contains a fluoride of the rare earth metals or mixtures of such fluorides as, well as optionally further inorganic compounds as fillers. The dental material is suitable as a one or two-component filling material for dental cement as, a crown and bridge material, as well as for producing dentures, inlays and implants and is characterized by a high radiopacity and at the same time a good transparency.
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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2008.
- 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.