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IP Verse

Compositions Comprising Hfc-1234Yf And Hfc-32 - EP3524657

The patent EP3524657 was granted to The Chemours FC on Nov 4, 2020. The application was originally filed on Mar 3, 2006 under application number EP19165699A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3524657

THE CHEMOURS FC
Application Number
EP19165699A
Filing Date
Mar 3, 2006
Status
Granted And Under Opposition
Oct 2, 2020
Publication Date
Nov 4, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

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 DateRepresentativeOpposition Status

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DAIKIN INDUSTRIESAug 4, 2021HOFFMANN EITLEWITHDRAWN
MEXICHEM FLUOR DE CVAug 3, 2021POTTER CLARKSONWITHDRAWN

Patent Citations (16) New

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

Citation PhasePublication Number
DESCRIPTIONUS20040910495
DESCRIPTIONUS20050062044
DESCRIPTIONUS5759430
DESCRIPTIONUSRE36951E
OPPOSITIONEP1985681
OPPOSITIONJPH04110388
OPPOSITIONUS2004256594
OPPOSITIONUS6214624
OPPOSITIONWO2004037913
OPPOSITIONWO2005103187
OPPOSITIONWO2005103190
OPPOSITIONWO2005105947
OPPOSITIONWO2005108523
SEARCHUS2004089839
SEARCHUS2004127383
SEARCHUS2004256594

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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