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IP Verse

Synthesis Of 1234Yf By Selective Dehydrochlorination Of 244Bb - EP2590915

The patent EP2590915 was granted to EI DU Pont DE Nemours on Sep 6, 2017. The application was filed on Jul 6, 2011 under application number EP11738880A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2590915

EI DU PONT DE NEMOURS
Application Number
EP11738880A
Filing Date
Jul 6, 2011
Status
Opposition Rejected
Nov 15, 2019
Publication Date
Sep 6, 2017
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 FRANCEJun 5, 2018LECA -

Patent Citations (11) New

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

Citation PhasePublication Number
DESCRIPTIONUS2006106263
DESCRIPTIONUS2007197842
DESCRIPTIONUS2009030247
DESCRIPTIONUS3413363
EXAMINATIONUS3413363
INTERNATIONAL-SEARCH-REPORTUS2009030247
INTERNATIONAL-SEARCH-REPORTWO2008075017
OPPOSITIONEP2151425
OPPOSITIONUS2007238908
OPPOSITIONUS2009030247
OPPOSITIONWO9641679

Dossier Documents

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