High potent and high electroconductive copper alloy suitable for fin material of heat-exchanger
CA 1267302 C · Owner: Satou, Norimasa · Inventors: Horikawa, Hiroshi; Omata, Kenichi; Ooguri, Akihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A highly electroconductive copper alloy is disclosed which contains 0.003 to 1.0 wt. % of Zn, 0.005 to 0.1 wt. % of Mg and the remainder Cu. Not more than 0.1 wt. % in total of one or more of Cr Mn, Fe, Co, Ni, Y, Sn, Si and Zr, may further be present while the amount of oxygen present is confined to not more than 100 ppm.
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 April 3, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2007.
- 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.