Method for the production of protective coatings on the surface of chemically active materials
CA 2462214 A1 · Owner: Konstantin Technologies Gmbh · Inventors: Chuntonov, Konstantin
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 method for the production of protective coatings on the surface of chemically active materials comprising a mixture consisting of , a chemically active metal and a meltable stable element.The inventive method is characterized in that it comprises the following steps: provision of at least one chemically active metal A; provision of at least one meltable stable element B; mixing metal (A) and element (B) in order to form a mixture; treating said mixture on the surface thereof with a liquid medium (L) which can dissolve metal (A) but which cannot dissolve element (B) at a temperature which is higher than the melting point of element (B) whereby a coating 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
- Filed July 5, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 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.