Cobalt-chromium dental alloys containing ruthenium and aluminum
CA 1193114 A · Owner: Jeneric Industries, Inc. · Inventors: Prasad, Arun
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cobalt-chromium dental alloy for use in porcelain-fused-to-metal restorations consisting essentially of about:, Element Weight Percent, Cobalt 40-60 Chromium 20-30, Ruthenium 5-15, Aluminum 1-4 Yttrium 0-0.15, Tungsten 0-15, Molybdenum 0-6.5 Niobium 0-3.0, Zirconium 0-0.25, Manganese 0-1.5 wherein the sum of the constituents equals 100% and the sum of the tungsten and molybdenum constituents minus the sum of the ruthenium, niobium and zirconium constituents is less than about 5%. These alloys exhibit outstanding physical and chemical properties, including the formation of a tenacious bond with porcelain without the need for a separate bonding agent, and can be used advantageously as a …
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 September 10, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 2002.
- 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.