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Expired Canadian patentCanada

Industrial ceramic shaped body, process for producing it and its use

CA 2510015 C · Owner: Klischat, Hans-Juergen · Inventors: Klischat, Hans-Juergen

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to a fired, basic refractory, industrial ceramic shaped body comprising at least one basic resistor component and. an elasticizer component wherein the elasticizer component is a calcium aluminate having the abbreviated formula CA6. The invention additionally relates to a process for producing the shaped body and to its use.

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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 September 29, 2003 and granted January 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 29, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 29, 2003
GrantedJanuary 10, 2012
Term endedSeptember 29, 2023
Patent numberCA 2510015 C
Classification (IPC)C04B35/66 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedSep 29, 2003Patent grantedJan 10, 2012Term endedSep 29, 2023

Sources & verification

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