IP Verse

Tetrafluoropropene Compositions And Uses Thereof

Patent No. EP2367601 (titled "Tetrafluoropropene Compositions And Uses Thereof") was filed by E I DU Pont DE Nemours on Nov 18, 2009. The application was issued on Aug 3, 2022.

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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
DAIKIN INDUSTRIESJul 28, 2016HOFFMANN EITLE
ARKEMA FRANCEJul 25, 2016BANDPAY & GREUTER

Dossier Documents

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  • Date

    Description

EP2367601

E I DU PONT DE NEMOURS
Application Number
EP09756626A
Filing Date
Nov 18, 2009
Status
Patent Maintained As Amended
Jul 1, 2022
Publication Date
Aug 3, 2022
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