Bronze alloy and ingot and liquid-contacting part using the alloy
CA 2547664 C · Owner: Horigome, Teruhiko · Inventors: Horigome, Teruhiko; Kurose, Kazuhito
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A copper-based alloy that has the soundness of alloy enhanced by restraining the concentrated occurrence of microporosities while suppressing the lead , content and an ingot and a liquid-contacting part using the alloy are provided. The , copper-based alloy has the soundness of alloy improved during the course of solidification of the copper-based alloy by crystallizing an intermetallic compound , capable of solidifying at a temperature exceeding a solidus line in dendritic gaps of the , alloy, suppressing migration of a solute thereby allowing dispersion of , microporosities utilizing crystallization of the intermetallic compound as well for effecting dispersed , crystallization of …
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
- Filed December 2, 2004 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 2, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.