Cold fabricatable aluminum alloy
CA 1071902 A · Owner: Mitsubishi Chemical Industries Ltd. · Inventors: Shima, Hiroshi; Inoue, Takeshi; Kato, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a cold wrought aluminum alloy which has excellent corrosion resistance and stress corrosion cracking resistance and mechanical properties greater than those of the conventional corrosion resistant aluminum alloy, said alloy consisting essentially of a cold wrought aluminum alloy having essentially the following composition:, 4 - 7 wt.% of Mg; more than 1 wt.% - 1.5 wt.% of Zn; 0.1 - 0.6 wt.% of Mn; at least one component selected from the group consisting of 0.05 - 0.5 wt.% of Cr, 0.05 - 0.25 wt.% of Ti and 0.05 - 0.25 wt.% of Zr;, and less than 0.5% of impurities the balance being aluminum, which has excellent ductility corrosion resistance and high, strength …
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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 February 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 1997.
- 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.