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 originally 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
Grant 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

Get instant alerts for new oppositions and patent status changes

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
DESCRIPTIONEP0922717
DESCRIPTIONEP0955086
DESCRIPTIONJP2000093792
DESCRIPTIONJP2001137704
DESCRIPTIONJP2001523287
DESCRIPTIONJP2003082250
DESCRIPTIONJP2003511489
DESCRIPTIONJP2004261796
DESCRIPTIONJP2010065107
DESCRIPTIONJP2530668B
DESCRIPTIONJP3103754B
DESCRIPTIONJPH047260B
DESCRIPTIONJPH06220227
DESCRIPTIONJPH0827278
DESCRIPTIONJPH09124879
DESCRIPTIONJPH09235378
DESCRIPTIONJPS59219400
DESCRIPTIONJPS5980459
DESCRIPTIONJPS6151658
DESCRIPTIONUS2004181031
DESCRIPTIONUS2004242761
DESCRIPTIONUS2005048221
DESCRIPTIONUS2005070671
DESCRIPTIONUS2005256469
DESCRIPTIONUS2005288182
DESCRIPTIONUS2006073969
DESCRIPTIONUS2006082188
DESCRIPTIONUS2006082189
DESCRIPTIONUS2006082197
DESCRIPTIONUS2006111402
DESCRIPTIONUS2006111403
DESCRIPTIONUS2006111404
DESCRIPTIONUS2006247351
DESCRIPTIONUS2007106013
DESCRIPTIONUS2007121037
DESCRIPTIONUS2008009842
DESCRIPTIONUS2008009843
DESCRIPTIONUS2008027180
DESCRIPTIONUS2008119586
DESCRIPTIONUS2008125533
DESCRIPTIONUS2009048160
DESCRIPTIONUS2009239966
DESCRIPTIONUS4093776
DESCRIPTIONUS4286082
DESCRIPTIONUS4367323
DESCRIPTIONUS4446261
DESCRIPTIONUS4625001
DESCRIPTIONUS4666983
DESCRIPTIONUS4683274
DESCRIPTIONUS4734478
DESCRIPTIONUS4783510
DESCRIPTIONUS4873299
DESCRIPTIONUS4973632
DESCRIPTIONUS4985518
DESCRIPTIONUS5124416
DESCRIPTIONUS5145906
DESCRIPTIONUS5147343
DESCRIPTIONUS5149335
DESCRIPTIONUS5244735
DESCRIPTIONUS5250640
DESCRIPTIONUS5264495
DESCRIPTIONUS5369148
DESCRIPTIONUS5380808
DESCRIPTIONUS5422405
DESCRIPTIONUS5562646
DESCRIPTIONUS5601542
DESCRIPTIONUS6071976
DESCRIPTIONUS6228930
DESCRIPTIONUS6254990
DESCRIPTIONUS6388000
DESCRIPTIONUS6414214
DESCRIPTIONUS6605673
DESCRIPTIONUS6620889
DESCRIPTIONUS6849665
DESCRIPTIONUS7098284
DESCRIPTIONUS7157141
DESCRIPTIONUS7169843
DESCRIPTIONUS7173086
DESCRIPTIONWO0010619
DESCRIPTIONWO0234384
DESCRIPTIONWO2004069915
DESCRIPTIONWO2005075070
DESCRIPTIONWO2006062258
DESCRIPTIONWO2007032565
DESCRIPTIONWO2008015980
DESCRIPTIONWO2009048160
DESCRIPTIONWO2010029074
DESCRIPTIONWO2010073658
DESCRIPTIONWO9533558
DESCRIPTIONWO9737695
EXAMINATIONJP3103754B
EXAMINATIONUS2005118423
INTERNATIONAL-SEARCH-REPORTJP2001523289
INTERNATIONAL-SEARCH-REPORTJP2004261796
INTERNATIONAL-SEARCH-REPORTJP2005097585
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

Non-Patent Literature (NPL) Citations (3) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Anonymous, "Standard Procedure: NWSP 242.0.R2 (19) - Polyacrylate Superabsorbent Powders - Gravimetric Determination of Absorption Against Pressure", edana - Nonwovens Standard Procedures
OPPOSITION- Anonymous, "Temperature Chamber Series", Espec, (20180401), pages 1 - 24, Espec, URL: https://www.espec.co.jp/english/products/catalog/pvph.pdf, (20220404), XP055908707
OPPOSITION- T. Staples, Et Al, "Chapter 2: Chemistry of Superabsorbent Polyacrylates", Modern Superabsorbent Polymer Technology, (19980101), pages 19 - 67, XP055673497

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents