Composite ceramic/metal material
CA 1306148 C · Owner: Eltech Systems Corporation · Inventors: Lazouni, Abdelkrim; Doan, Kim Son; Nguyen, Thinh
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ceramic/metal composite material comprises a metal substrate with a surface ceramic coating the, substrate being an alloy comprising 10 to 30% by weight or chromium, 55 to 90% of nickel, cobalt and/or iron and up to 15% of aluminum, titanium, zirconium yttrium, hafnium, or niobium. The interface of the substrate with the surface ceramic coating has an oxygen-barrier layer comprising chromium oxide. The surface ceramic coating may be an oxidised alloy of 15 to 7% by weight copper 25 to, 85% by weight of nickel and/or manganese up to 5% by, weight of lithium, calcium aluminum, magnesium titanium, zinc, or iron and up to 30% by weight of platinum palladium and/or gold in which the copper is …
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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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- 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.