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IP Verse

Ionically Hydrophilized Polyisocyanates And Antioxidants - EP3560975

The patent EP3560975 was granted to Covestro on Dec 6, 2023. The application was filed on Apr 25, 2018 under application number EP18169340A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3560975

COVESTRO
Application Number
EP18169340A
Filing Date
Apr 25, 2018
Status
Patent Maintained As Amended
Nov 3, 2023
Publication Date
Dec 6, 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
HOFFMANN EITLEJan 7, 2022HOFFMANN EITLEADMISSIBLE

Patent Citations (40) New

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

Citation PhasePublication Number
DESCRIPTIONDE1670666
DESCRIPTIONDE1954093
DESCRIPTIONDE2414413
DESCRIPTIONDE2452532
DESCRIPTIONDE2641380
DESCRIPTIONDE3700209
DESCRIPTIONDE3900053
DESCRIPTIONDE3928503
DESCRIPTIONEP0003765
DESCRIPTIONEP0330966
DESCRIPTIONEP0336205
DESCRIPTIONEP0339396
DESCRIPTIONEP0703255
DESCRIPTIONEP0798299
DESCRIPTIONEP0959087
DESCRIPTIONEP0962455
DESCRIPTIONEP3045485
DESCRIPTIONJP2015205957
DESCRIPTIONJP2016017157
DESCRIPTIONUS2009209711
DESCRIPTIONWO0188006
DESCRIPTIONWO2009010469
DESCRIPTIONWO2016146579
OPPOSITIONDE19630903
OPPOSITIONEP0505150
OPPOSITIONEP0643042
OPPOSITIONJP2007231100
OPPOSITIONUS2957903
OPPOSITIONUS3715381
OPPOSITIONUS4064157
OPPOSITIONWO0188006
OPPOSITIONWO2004058847
OPPOSITIONWO2008068197
OPPOSITIONWO2013060809
OPPOSITIONWO2017042111
OPPOSITIONWO2017154963
OPPOSITIONWO2018056408
OPPOSITIONWO2018070371
SEARCHDE102005057682
SEARCHUS2012101210

Dossier Documents

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