Palladium metal base dental alloy
CA 1248367 A · Owner: Engelhard Corporation · Inventors: Robertson, Allen R.; Lanam, Richard D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A palladium alloy for use in making porcelain jacketed dental restorations having the following composition: 60 - 85 percent by weight palladium 5 -20, percent by weight copper, 3 - 15 percent by weight gallium, and a modifier metal selected from gold indium, ruthenium, tin, nickel and mixtures thereof the sum of the concentrations of the modifier metal present in the alloy being greater than 5.5 percent by weight.
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 January 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2006.
- 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.