Plated steel sheet having excellent coating performance
CA 1309055 C · Owner: Kotegawa, Junichi · Inventors: Hukuda, Satoshi; Watanabe, Koichi; Kotegawa, Junichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, When a single-layer plated steel sheet comprising a coating of pure Zn or a Zn alloy (for example, a Zn-Fe alloy a Zn-Ni, alloy, etc.) is used in a cationic electrodeposition coating coating method e.g. for coating components of automobile bodies craterings are generated on a coating film at the time of the electrodeposition coating thus impairing the coating appearance. Accordingly this invention makes it possible to stably restrain the generation of craterings on a coating film by providing a coating comprising Fe containing boron (B) or a coating comprising an Fe-Zn alloy having a boron-containing Fe percentage of 50% or more, on the surface of the coating of the pure Zn- or a …
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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 October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2009.
- 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
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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.