Aluminum-coated steel sheet having excellent resistance to corrosion by exhaust gas
CA 1331546 C · Owner: Nisshin Steel Company, Ltd. · Inventors: Hattori, Yasunori; Uchida, Yukio; Hirose, Yusuke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hot-dip aluminum-coated steel sheet the substrate steel of which consists essentially of: C: less than 0.05% by weight, Si: less than 0.10% by weight Cu:, 0.10 - 0.50% by weight, Ni: 0.10 - 0.50% by weight Cr:, 1.80 - 3.00% by weight, N: not more than 0.02% by weight and Fe and unavoidable incidental impurities which may, contain at least one of Ti, Zr Nb and V in an amount not, less than the atomically equivalent amount of C+N has, excellent corrosion resistance against both hot dry oxidation and wet corrosion by condensate of internal combustion engine exhaust gas.
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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
- Granted August 23, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 23, 2011.
- 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.