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Expired Canadian patentCanada

Catalytically active coating and method of depositing on a substrate

CA 2565673 C · Owner: Srinivasan, Vasudevan · Inventors: Subramanian, Ramesh; Burns, Andrew Jeremiah; Srinivasan, Vasudevan

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Abstract From the Canadian patent

A method of depositing a catalytically reactive coating to a substrate including selecting a target light off temperature for a predetermined catalytic combustion environment, selecting a thermal barrier coating composition, selecting a catalytic material and codepositing the thermal barrier coating composition and the catalytic material onto the substrate in proportions selected to produce the target light off temperature when exposed to the combustion environment. The method may include controlling the codepositing step to cause the thermal barrier coating composition to interact with the catalytic material to produce a phase having a light off temperature different from the …

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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 May 3, 2005 and granted December 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 3, 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.
FiledMay 3, 2005
GrantedDecember 3, 2013
Term endedMay 3, 2025
Patent numberCA 2565673 C
Classification (IPC)B01J35/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 3, 2005Patent grantedDec 3, 2013Term endedMay 3, 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.