Patent Yard Sign in
Expired Canadian patentCanada

Aprotic polymer/molten salt ternary mixture solvent, method for the production and use thereof in electrochemical systems

CA 2582960 C · Owner: Guerfi, Abdelbast · Inventors: Charest, Patrick; Zaghib, Karim; Guerfi, Abdelbast

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

The invention relates to an aprotic polymer/molten salt ternary mixture solvent and to a corresponding quaternary mixture additionally comprising an ionic conducting salt which are prepared by mixing the constituents of the mixture. These mixtures are advantageously used in the preparation of electrochemical membranes electrochemical systems and of electrochromic systems. The invention also relates to electrochemical and electrochromic systems obtained hereby that exhibit in particular, excellent electrochemical properties at low temperatures.

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 October 11, 2005 and granted February 3, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 11, 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.
FiledOctober 11, 2005
GrantedFebruary 3, 2015
Term endedOctober 11, 2025
Patent numberCA 2582960 C
Classification (IPC)C08L101/12 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 11, 2005Patent grantedFeb 3, 2015Term endedOct 11, 2025

Sources & verification

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