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IP Verse

Polymer Polyols Having Improved Quality - EP2890726

The patent EP2890726 was granted to Bayer Materialscience on Mar 24, 2021. The application was filed on Aug 22, 2013 under application number EP13832458A. The patent is currently recorded with a legal status of "Revoked".

EP2890726

BAYER MATERIALSCIENCE
Application Number
EP13832458A
Filing Date
Aug 22, 2013
Status
Revoked
Jan 26, 2024
Publication Date
Mar 24, 2021
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
ARKEMA FRANCEJan 3, 2022BANDPAY & GREUTERADMISSIBLE
REPSOLDec 23, 2021ZBM PATENTS ZEAADMISSIBLE

Patent Citations (21) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2006025491
INTERNATIONAL-SEARCH-REPORTUS2007060690
INTERNATIONAL-SEARCH-REPORTUS2008097025
INTERNATIONAL-SEARCH-REPORTUS2009163613
INTERNATIONAL-SEARCH-REPORTUS4111865
OPPOSITIONEP0410361
OPPOSITIONJPH06172463
OPPOSITIONUS2006025491
OPPOSITIONUS2006025492
OPPOSITIONUS2009163613
OPPOSITIONUS2011306728
OPPOSITIONUS2370346
OPPOSITIONUS4242249
OPPOSITIONUS5196476
OPPOSITIONUS5268418
OPPOSITIONUS7179882
OPPOSITIONUS7759423
OPPOSITIONWO0000531
OPPOSITIONWO9715605
SEARCHEP0410361
SEARCHUS2006025491

Dossier Documents

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    Description

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