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Refrigerant Compositions Comprising R-32, R-134A, And Cf3I - EP4073194

The patent EP4073194 was granted to The Chemours FC on Mar 5, 2025. The application was filed on Dec 11, 2020 under application number EP20848734A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4073194

THE CHEMOURS FC
Application Number
EP20848734A
Filing Date
Dec 11, 2020
Status
Granted And Under Opposition
Jan 31, 2025
Publication Date
Mar 5, 2025
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 FRANCEDec 5, 2025ARKEMA PATENTADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
DESCRIPTIONUS2007284555
INTERNATIONAL-SEARCH-REPORTCN1189525
INTERNATIONAL-SEARCH-REPORTUS2010257881
INTERNATIONAL-SEARCH-REPORTWO9715637
OPPOSITIONCN1189525
OPPOSITIONEP2149592
OPPOSITIONKR20060101739
OPPOSITIONUS2008230738
OPPOSITIONUS2010257881
OPPOSITIONUS9920230
OPPOSITIONWO2006063184

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

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