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Expired Canadian patentCanada

Electric cable comprising a foamed polyolefine insulation and manufacturing process thereof

CA 2634341 C · Owner: Pons, Jean-Louis · Inventors: Crisci, Vincenzo; Casiraghi, Flavio; Pons, Jean-Louis

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Abstract From the Canadian patent

A process for manufacturing an electric cable comprising at least one core comprising a , conductor and an insulating coating surrounding the conductor is described the process , comprising the steps of: providing a polyolefin material a silane-based cross-, linking , system and a foaming system comprising at least one exothermic foaming agent in an , amount of from 0.1% to 0.5% by weight with respect to the total weight of the polyolefin material; forming a blend with the polyolefin material the silane-, based , cross-linking system and the foaming system; and extruding the blend on the conductor , to form the insulating coating. An electric cable is also described comprising at least …

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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 December 22, 2005 and granted May 13, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 22, 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.
FiledDecember 22, 2005
GrantedMay 13, 2014
Term endedDecember 22, 2025
Patent numberCA 2634341 C
Classification (IPC)H01B7/02 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 22, 2005Patent grantedMay 13, 2014Term endedDec 22, 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.