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Devices For The Purification Of Nitration Products - EP2772304

The patent EP2772304 was granted to Josef Meissner on Aug 7, 2024. The application was originally filed on May 18, 2012 under application number EP13005208A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2772304

JOSEF MEISSNER
Application Number
EP13005208A
Filing Date
May 18, 2012
Status
Patent Maintained As Amended
Jul 5, 2024
Publication Date
Aug 7, 2024
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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NORAMFeb 12, 2018M ZARDIADMISSIBLE
COVESTRO DEUTSCHLANDFeb 8, 2018LEVPATADMISSIBLE

Patent Citations (49) New

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

Citation PhasePublication Number
DESCRIPTIONCA1034603
DESCRIPTIONDE1135425
DESCRIPTIONDE2151206
DESCRIPTIONEP0279312
DESCRIPTIONEP0736514
DESCRIPTIONEP1593654
DESCRIPTIONEP1780195
DESCRIPTIONEP1816117
DESCRIPTIONUS3221064
DESCRIPTIONUS4091042
DESCRIPTIONUS4482769
DESCRIPTIONUS4597875
DESCRIPTIONUS4994242
DESCRIPTIONUS6288289
OPPOSITIONBE528983Q
OPPOSITIONCN1597557
OPPOSITIONCN1757630
OPPOSITIONCN2729072Y
OPPOSITIONDE1057081
OPPOSITIONDE2202635
OPPOSITIONDE4227372
OPPOSITIONDE4238390
OPPOSITIONDE732742
OPPOSITIONEP0279312
OPPOSITIONEP0520276
OPPOSITIONEP0708076
OPPOSITIONEP0771783
OPPOSITIONEP1780195
OPPOSITIONEP1816117
OPPOSITIONGB1380303
OPPOSITIONGB1407281
OPPOSITIONGB1506492
OPPOSITIONRU2404171
OPPOSITIONUS2014303401
OPPOSITIONUS3111538
OPPOSITIONUS3221064
OPPOSITIONUS3409620
OPPOSITIONUS4314974
OPPOSITIONUS4453027
OPPOSITIONUS5514820
OPPOSITIONUS6350354
OPPOSITIONWO0164333
OPPOSITIONWO2011023638
SEARCHDE1222904
SEARCHDE2151206
SEARCHEP0279312
SEARCHUS3221064
SEARCHUS4482769
SEARCHUS4597875

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.

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