Patent Yard Sign in
Expired Canadian patentCanada

Organic/inorganic composite porous layer-coated electrode and electrochemical device comprising the same

CA 2555747 C · Owner: Lg Chem, Ltd. · Inventors: Ahn, Soon-Ho; Kim, Seok-Koo; Yong, Hyun-Hang

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

Disclosed is an electrode comprising a first organic/inorganic composite porous coating layer formed on its surface wherein the first coating layer , includes inorganic particles and a binder polymer for interconnecting and fixing the inorganic particles, and has micropores formed by interstitial volumes among the inorganic particles. An electrochemical device including the same electrode is also disclosed. Further disclosed is a method for , manufacturing an electrode having an organic/inorganic composite porous coating layer on the surface thereof, comprising the steps of: (a) coating a current collector with slurry containing an electrode active material and drying it to provide …

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 February 5, 2005 and granted June 26, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 5, 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.
FiledFebruary 5, 2005
GrantedJune 26, 2012
Term endedFebruary 5, 2025
Patent numberCA 2555747 C
Classification (IPC)H01M4/02

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 5, 2005Patent grantedJune 26, 2012Term endedFeb 5, 2025

Sources & verification

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