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IP Verse

Preparation Of Polyurethane Foam - EP3677610

The patent EP3677610 was granted to Evonik Operations on Sep 22, 2021. The application was filed on Jan 7, 2019 under application number EP19150465A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3677610

EVONIK OPERATIONS
Application Number
EP19150465A
Filing Date
Jan 7, 2019
Status
Granted And Under Opposition
Aug 20, 2021
Publication Date
Sep 22, 2021
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
MOMENTIVE PERFORMANCE MATERIALSJun 22, 2022GILLE HRABAL PARTNERSCHAFTSGESELLSCHAFT MBB PATENTANWALTEWITHDRAWN

Patent Citations (69) New

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

Citation PhasePublication Number
DESCRIPTIONCN101880452
DESCRIPTIONCN103044687
DESCRIPTIONCN103055759
DESCRIPTIONCN103657518
DESCRIPTIONCN103665385
DESCRIPTIONDE102008007081
DESCRIPTIONDE102013212481
DESCRIPTIONDE2533074
DESCRIPTIONDE3215317
DESCRIPTIONDE3234462
DESCRIPTIONDE4444898
DESCRIPTIONEP0258600
DESCRIPTIONEP0275563
DESCRIPTIONEP0421269
DESCRIPTIONEP0533202
DESCRIPTIONEP0570174
DESCRIPTIONEP0867464
DESCRIPTIONEP0867465
DESCRIPTIONEP0877045
DESCRIPTIONEP1095968
DESCRIPTIONEP1161474
DESCRIPTIONEP1211279
DESCRIPTIONEP1515934
DESCRIPTIONEP1520870
DESCRIPTIONEP1544235
DESCRIPTIONEP1678232
DESCRIPTIONEP1712578
DESCRIPTIONEP1873209
DESCRIPTIONEP2368927
DESCRIPTIONEP2465891
DESCRIPTIONEP2465892
DESCRIPTIONEP2947064
DESCRIPTIONJPH0418431B
DESCRIPTIONJPH09165427
DESCRIPTIONUS2002103091
DESCRIPTIONUS2006229375
DESCRIPTIONUS2006293400
DESCRIPTIONUS2007066697
DESCRIPTIONUS2007072951
DESCRIPTIONUS2008125503
DESCRIPTIONUS2011218259
DESCRIPTIONUS2015057384
DESCRIPTIONUS3900424
DESCRIPTIONUS3953383
DESCRIPTIONUS4500704
DESCRIPTIONWO0058383
DESCRIPTIONWO2004020497
DESCRIPTIONWO2004096882
DESCRIPTIONWO2005033167
DESCRIPTIONWO2005085310
DESCRIPTIONWO2006094227
DESCRIPTIONWO2006116456
DESCRIPTIONWO2008058913
DESCRIPTIONWO2009058367
DESCRIPTIONWO2009130470
DESCRIPTIONWO2010028362
DESCRIPTIONWO2011012390
DESCRIPTIONWO2011163133
DESCRIPTIONWO2013022932
DESCRIPTIONWO2016202912
OPPOSITIONUS4751251
OPPOSITIONUS5852065
OPPOSITIONWO2015101497
OPPOSITIONWO2017220332
SEARCHEP2465892
SEARCHUS4751251
SEARCHUS5852065
SEARCHWO2015101497
SEARCHWO2017220332

Dossier Documents

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