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IP Verse

Phenolic Resin Composition For Use In The Polyurethane Cold-Box And/Or No-Bake Process And Corresponding Two-Component Binder Systems, Uses, And Processes - EP3283541

The patent EP3283541 was granted to Httenes Albertus Chemische Werke Gesellschaft MIT Beschrnkter Haftung on Jun 7, 2023. The application was filed on Mar 21, 2016 under application number EP16713787A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3283541

HTTENES ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRNKTER HAFTUNG
Application Number
EP16713787A
Filing Date
Mar 21, 2016
Status
Granted And Under Opposition
May 5, 2023
Publication Date
Jun 7, 2023
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
ASK CHEMICALSMar 7, 2024SCHUPFNERWITHDRAWN

Patent Citations (32) New

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

Citation PhasePublication Number
DESCRIPTIONDE2759262
DESCRIPTIONEP0138448
DESCRIPTIONEP0771559
DESCRIPTIONEP0771599
DESCRIPTIONEP1057554
DESCRIPTIONFR1056171
DESCRIPTIONFR2948307
DESCRIPTIONGB1121649
DESCRIPTIONJPH0925108
DESCRIPTIONUS2011015341
DESCRIPTIONUS2212506
DESCRIPTIONUS3485797
DESCRIPTIONUS4273179
DESCRIPTIONUS5160503
DESCRIPTIONUS5358748
DESCRIPTIONUS5795933
INTERNATIONAL-SEARCH-REPORTDE102004057671
INTERNATIONAL-SEARCH-REPORTUS2013292083
INTERNATIONAL-SEARCH-REPORTUS5160503
INTERNATIONAL-SEARCH-REPORTUS5552488
INTERNATIONAL-SEARCH-REPORTUS5795933
OPPOSITIONDE102004057671
OPPOSITIONEP0177871
OPPOSITIONEP0518460
OPPOSITIONUS2010286433
OPPOSITIONUS2012245267
OPPOSITIONUS3409579
OPPOSITIONUS5160503
OPPOSITIONUS5795933
OPPOSITIONWO2009095251
OPPOSITIONWO2012066145
OPPOSITIONWO8505580

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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    Description

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