Diamond-coated member and process for the preparation thereof
CA 2090325 A1 · Owner: Mizuno, Hiromi · Inventors: Isozaki, Toshio; Mizuno, Hiromi; Saito, Yoshiaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The members coated with the diamond according to the present invention are characterized by a supporting member having a layer of a solid solution on a surface of the supporting member, the solid solution composed of at least one member selected from the group consisting of a metal carbide, a metal nitride, and a metal carbonitride a, metal comprising at least two members selected from the group of the metals belonging to the groups IVA VA, and VIA, of the periodic table, and a layer of a diamond formed on a surface of the layer of the solid solution. The members coated with the diamond are extremely high in adhesion of the thin layer of the diamond to the supporting member and they can …
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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
- Filed June 24, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 24, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 2014.
- 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.