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Liquid Composition, Solid Polymer Electrolyte Membrane, Membrane Electrode Assembly, And Solid Polymer Fuel Cell

Patent No. EP3892642 (titled "Liquid Composition, Solid Polymer Electrolyte Membrane, Membrane Electrode Assembly, And Solid Polymer Fuel Cell") was filed by AGC on Dec 6, 2019. The application was issued on Aug 23, 2023.

Patent Summary

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Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
SOLVAY SPECIALTY POLYMERS ITALYMay 22, 2024FERRI
SYENSQO SPECIALTY POLYMERS ITALYMay 22, 2024FERRI

Dossier Documents

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EP3892642

AGC
Application Number
EP19892568A
Filing Date
Dec 6, 2019
Status
Granted And Under Opposition
Jul 21, 2023
Publication Date
Aug 23, 2023
External Links
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