Method for producing dispersion strengthened aluminum alloys
CA 1284896 C · Owner: Donachie, Stephen J. · Inventors: Gilman, Paul S.; Donachie, Stephen J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process is provided for obtaining low density aluminum-base alloys having high strength in the forged condition comprising an interrelated control of the extrusion and forging conditions. Dispersion strengthened mechanically alloyed aluminum-base alloys containing magnesium and lithium which benefit from such process are disclosed. The alloys may contain silicon.
Read the whole patent
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 June 18, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2008.
- 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.