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IP Verse

Particulate Water Absorbent And Process For Production Thereof - EP2484439

The patent EP2484439 was granted to Nippon Shokubai on Dec 14, 2022. The application was filed on Sep 29, 2010 under application number EP10820587A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2484439

NIPPON SHOKUBAI
Application Number
EP10820587A
Filing Date
Sep 29, 2010
Status
Granted And Under Opposition
Nov 11, 2022
Publication Date
Dec 14, 2022
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
STOCKHAUSEN SUPERABSORBERSep 13, 2023AERAADMISSIBLE

Patent Citations (112) New

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

Citation PhasePublication Number
DESCRIPTIONEP0668080
DESCRIPTIONEP0811636
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DESCRIPTIONJP2000093792
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EXAMINATIONJP3103754B
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INTERNATIONAL-SEARCH-REPORTJP2001523289
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INTERNATIONAL-SEARCH-REPORTJP2005105254
INTERNATIONAL-SEARCH-REPORTJP2008523196
INTERNATIONAL-SEARCH-REPORTJPH06262072
INTERNATIONAL-SEARCH-REPORTJPH09124879
INTERNATIONAL-SEARCH-REPORTWO2007037522
INTERNATIONAL-SEARCH-REPORTWO2008120742
OPPOSITIONEP2012843
OPPOSITIONWO0125290
OPPOSITIONWO2007116777
OPPOSITIONWO2010149735
OTHERJP3103754B
OTHERUS2005118423
SEARCHEP2135669
SEARCHWO2007116777
SEARCHWO2008120742

Dossier Documents

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