Devices For The Purification Of Nitration Products

Patent No. EP2772304 (titled "Devices For The Purification Of Nitration Products") was filed by Josef Meissner on May 18, 2012. The application was issued on Aug 7, 2024.

Patent Summary

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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 DateRepresentative
NORAMFeb 12, 2018M ZARDI
COVESTRO DEUTSCHLANDFeb 8, 2018LEVPAT

Dossier Documents

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EP2772304

JOSEF MEISSNER
Application Number
EP13005208A
Filing Date
May 18, 2012
Status
Patent Maintained As Amended
Jul 5, 2024
Publication Date
Aug 7, 2024