Manufacturing method for a protective coating for chromium oxide forming substrates subjected to high temperature loading
CA 2516472 C · Owner: Zahid, Mohsine · Inventors: Tietz, Frank; Zahid, Mohsine
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
As a rule, chromium-oxide forming materials for high temperatures in , particular chromium--based , alloys or chromium-rich alloys based on iron (ferritic steel) are used as , interconnector , materials that are subjected to high temperatures. At SOFC operating temperatures, said material , group forms a chromium-based oxidic top coating which has the advantage of , preventing rapid oxidation damage, but also the disadvantage of continuing to react forming , Cr(VI) compounds. , Said volatile compounds react regularly with the cathode material producing , the negative effect , of impairing the oxygen reduction. The invention relates to a method for producing a gas-tight , protective …
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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.
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- Filed January 14, 2004 and granted October 2, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 14, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2026.
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