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IP Verse

Purifying Crude Furan 2,5-Dicarboxylic Acid By Hydrogenation - EP2864306

The patent EP2864306 was granted to Eastman Chemical on Mar 21, 2018. The application was filed on Jun 10, 2013 under application number EP13729902A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2864306

EASTMAN CHEMICAL
Application Number
EP13729902A
Filing Date
Jun 10, 2013
Status
Opposition Rejected
Feb 12, 2021
Publication Date
Mar 21, 2018
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
SYNVINA CVOct 10, 2018WURFBAINADMISSIBLE

Patent Citations (8) New

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

Citation PhasePublication Number
EXAMINATIONUS3584039
EXAMINATIONUS3931305
INTERNATIONAL-SEARCH-REPORTWO02098836
INTERNATIONAL-SEARCH-REPORTWO2008054804
INTERNATIONAL-SEARCH-REPORTWO2009023174
OPPOSITIONUS2011092720
OPPOSITIONWO2010132740
OPPOSITIONWO2011043660

Dossier Documents

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