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Expired Canadian patentCanada

Method for manufacturing open porous metallic foam body

CA 2569322 C · Owner: Vale International S.A. · Inventors: Timberg, Lloyd; Naumann, Dirk; Walther, Gunnar

CIPO record

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Abstract From the Canadian patent

The invention relates to open-pored metallic foam bodies as well as a method for manufacturing thereof. These metallic foam bodies are allowed to be advantageously used with ambient environmental conditions causing a high corrosion to many conventional materials and accordingly reducing the , lifetime thereof frequently. According to the set object the metallic foam , bodies should have a low mass simultaneously with a high specific surface and , increased corrosion resistance under chemically aggressive ambient environmental conditions. An open-pored metallic foam body according to the invention is then developed such that it is formed from a nickel-copper alloy having at least 40 …

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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

  • Filed June 23, 2005 and granted March 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 23, 2025.
  • 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.
FiledJune 23, 2005
GrantedMarch 13, 2012
Term endedJune 23, 2025
Patent numberCA 2569322 C
Classification (IPC)C22C1/08 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJune 23, 2005Patent grantedMarch 13, 2012Term endedJune 23, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.