Noble metal alloys having melting intervals above 1500°c
CA 1280300 C · Owner: Degussa Aktiengesellschaft · Inventors: Steinke, Rudi; Schiwiora, Harry; Groll, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For the production of constructional elements which can be cast-on, particularly in dental technology noble metal, alloys having a melting point above 1500°C are required. According to the present invention they contain 40 to 70% of platinum, 10 to 40% of palladium, 5 to 20% of iridium 0.5 to, 10% of gold, 0 to 3% of silver and 0 to 1% of both ruthenium and rhodium.
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 February 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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.