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Resin Composition For Nonaqueous Electrolyte Secondary Battery, Separator For Nonaqueous Electrolyte Secondary Battery Using Same, Resin Composition For Electrode Mixture Layer, Electrode For Nonaqueous Electrolyte Secondary Battery, And Nonaqueous Electrolyte Secondary Battery - EP3806190

The patent EP3806190 was granted to Kureha on Aug 24, 2022. The application was filed on Feb 21, 2019 under application number EP19809995A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3806190

KUREHA
Application Number
EP19809995A
Filing Date
Feb 21, 2019
Status
Granted And Under Opposition
Jul 22, 2022
Publication Date
Aug 24, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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 DateRepresentativeOpposition Status
ARKEMA FRANCEMay 22, 2023BANDPAY & GREUTERADMISSIBLE

Patent Citations (18) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONJP2003514036
DESCRIPTIONJP2012067324
DESCRIPTIONJP2018104687
DESCRIPTIONJPH0718002
INTERNATIONAL-SEARCH-REPORTJP2000150320
INTERNATIONAL-SEARCH-REPORTJP2000231936
INTERNATIONAL-SEARCH-REPORTJP2003514036
INTERNATIONAL-SEARCH-REPORTJP2013122009
INTERNATIONAL-SEARCH-REPORTJP2015533453
INTERNATIONAL-SEARCH-REPORTWO2017047576
OPPOSITIONUS6586547
OPPOSITIONUS7794511
OPPOSITIONWO2006135543
SEARCHJP2017165881
SEARCHUS2016079582
SEARCHUS6265107
SEARCHUS6586547
SEARCHWO2017047576

Dossier Documents

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  • Date

    Description

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