Light alloy-based composite protective multifunction coating
CA 2382164 A1 · Owner: Shatrov, Alexandr Sergeevich · Inventors: Shatrov, Alexandr Sergeevich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a composite protective multifunction coating containing light metals and alloys thereof (A Mg, Ti, Nb, Al-Ti, Al-Be, Ti-, Nb), consisting of a hard and resistant oxide ceramic layer having the form of a matrix and of a functional composition introduced into the matrix pores. The functional compositions are selected from a group of metals (Ni Cu, Co, Fe, Cr, Mo, Ti, Al, Sb, Ag, Zn Cd, Pb, Sn, Bi, Zn, Ga) and/or between refractory compositions (carbides, oxides, nitrides borides, metal silicides of groups , IV - VI of the periodic table of elements). The inventive method consists in oxidizing the base by an electrolytic plasma process introducing the , functional …
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
- Filed August 17, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 17, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 17, 2021.
- 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.