IP Verse

Compositions Comprising 2,3-Dichloro-1,1,1-Trifluoropropane, 2-Chloro-1,1,1-Trifluoropropene, 2-Chloro-1,1,1,2-Tetrafluoropropane Or 2,3,3,3-Tetrafluoropropene - EP2271725B1

PatentPatent Analysis

EP2271725

E I DU PONT DE NEMOURS
Application Number
EP09743644A
Filing Date
May 7, 2009
Status
Revoked
Oct 11, 2024
Grant Date
Feb 21, 2018
External Links
Slate, Register, Google Patents
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Bibliography

The patent EP2271725B1 was granted to E I DU Pont DE Nemours on Feb 21, 2018 following the initial filing on May 7, 2009 under the application number EP09743644A . The current legal status of the patent is Revoked.

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Patent Oppositions (4)

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.

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DAIKIN INDUSTRIESNov 21, 2018WITHDRAWN
AGCNov 20, 2018ADMISSIBLE
MEXICHEM FLUOR DE CVNov 19, 2018WITHDRAWN
ARKEMA FRANCENov 16, 2018ADMISSIBLE

Dossier Documents

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