Steel sheets and strips having good paintability and a production method therefor
CA 1061657 A · Owner: Nippon Steel Corporation · Inventors: Yoshida, Katsuyoshi; Morita, Zyun-Ichi; Koyama, Kenzi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surface treated steel sheet and strip having a surface layer of M-Si-R in which M is at least one of the group consisting of chromium, phosphorus, silicon, cobalt manganese, copper, nickel, aluminum and titanium and R is a group of atoms which, has 2 to 10 carbon atoms and contains one or more functional groups selected from the group consisting of vinyl epoxy, acryl, and amino groups.
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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 September 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 1996.
- 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.