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IP Verse

Compositions Comprising 2,3,3,3-Tetrafluoropropene - EP3581631

The patent EP3581631 was granted to The Chemours FC on Nov 6, 2024. The application was filed on Dec 22, 2010 under application number EP19190064A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3581631

THE CHEMOURS FC
Application Number
EP19190064A
Filing Date
Dec 22, 2010
Status
Granted And Under Opposition
Oct 3, 2024
Publication Date
Nov 6, 2024
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 FRANCEAug 3, 2025ARKEMA PATENTADMISSIBLE

Patent Citations (27) New

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

Citation PhasePublication Number
DESCRIPTIONUS2005228202
DESCRIPTIONUS2007197842
DESCRIPTIONUS2009240090
DESCRIPTIONUS5036036
DESCRIPTIONWO2008054781
DESCRIPTIONWO2008054782
OPPOSITIONEP1278714
OPPOSITIONEP2402412
OPPOSITIONUS2005230657
OPPOSITIONUS2008135800
OPPOSITIONUS2009182179
OPPOSITIONWO2005105947
OPPOSITIONWO2005108523
OPPOSITIONWO2007053736
OPPOSITIONWO2008024508
OPPOSITIONWO2008121776
OPPOSITIONWO2009105521
OPPOSITIONWO2009137656
OPPOSITIONWO2010059685
OPPOSITIONWO2011045559
OPPOSITIONWO2011059078
SEARCHUS2005233932
SEARCHUS2007197842
SEARCHUS2008230738
SEARCHUS2009287026
SEARCHWO2009137656
SEARCHWO2009137658

Dossier Documents

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    Description

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