Platinum metal cermets
CA 1079092 A · Owner: Johnson, Matthey And Co. · Inventors: Pearce, Stephen L.; Selman, Gordon L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel intimate mixtures of refractory ceramic materials and metals, usually referred to as "cermets" are provided herein. Such cermet comprises a first phase of refractory ceramic particles and a second phase of a metallic material. At least a major proportion of the refractory ceramic particles have their surfaces treated with an additive which forms a material capable of bonding together the materials of the first and second phases. The metallic phase may be gold silver or a platinum, group metal. The ceramic phase may be a refractory oxide of alumina and the additive is derived from at least one of the metals yttrium aluminum, titanium, vanadium, chromium and nickel in elemental or …
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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 10, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 1997.
- 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.