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IP Verse

Water-Absorbing Polymer Structures Produced Using Polymer Dispersions - EP2091583

The patent EP2091583 was granted to Evonik Degussa on Apr 1, 2020. The application was filed on Dec 18, 2007 under application number EP07856825A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2091583

EVONIK DEGUSSA
Application Number
EP07856825A
Filing Date
Dec 18, 2007
Status
Patent Maintained As Amended
Feb 28, 2020
Publication Date
Apr 1, 2020
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
NIPPON SHOKUBAIDec 15, 2017HENKEL & PARTNER MBBADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2005096435
INTERNATIONAL-SEARCH-REPORTWO0174913
INTERNATIONAL-SEARCH-REPORTWO2005011860
INTERNATIONAL-SEARCH-REPORTWO2007070262
INTERNATIONAL-SEARCH-REPORTWO2007070776
OPPOSITIONEP0228638
OPPOSITIONEP0349240
OPPOSITIONEP0640330
OPPOSITIONUS2005096435
OPPOSITIONUS2005256757
OPPOSITIONUS4618631
OPPOSITIONUS6387495
OPPOSITIONWO0174913
OPPOSITIONWO2005011860
OPPOSITIONWO2006113561
OPPOSITIONWO2010057912
OPPOSITIONWO9522356

Dossier Documents

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  • Date

    Description

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