Grain refininf agent for cast magnesium products
CA 2386334 A1 · Owner: Alamdari, Houshang Darvishi · Inventors: Alamdari, Houshang Darvishi; Boily, Sabin
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 grain refining agent for cast magnesium products, comprising particles formed of a matrix of a ductile material in, which are uniformly dispersed nucleation particles of at least one element or compound selected from the group consisting of zirconium silicon carbide, titanium carbide and mixtures of carbon with silicon or titanium the , nucleation, particles having an average particle size of 0.05 to 5 µm. The dispersion of the, nucleation particles within a matrix of ductile material improves their wettability, overcomes problems caused by gas adsorption on the surface of the particles and reduces their agglomeration during inoculation into molten magnesium 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
- Filed May 14, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2024.
- 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.