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IP Verse

Surface-Treated Calcium Carbonate With Improved Stability In Environments With A Ph Of 4.5 To 7 - EP3245257

The patent EP3245257 was granted to Omya on Nov 30, 2022. The application was filed on Jan 13, 2016 under application number EP16700449A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3245257

OMYA
Application Number
EP16700449A
Filing Date
Jan 13, 2016
Status
Patent Maintained As Amended
Oct 28, 2022
Publication Date
Nov 30, 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
SCHAEFER KALKAug 13, 2020MAI BESIERWITHDRAWN

Patent Citations (59) New

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

Citation PhasePublication Number
DESCRIPTIONEP1666203
DESCRIPTIONEP1738872
DESCRIPTIONEP2070991
DESCRIPTIONEP2264108
DESCRIPTIONEP2264109
DESCRIPTIONEP2371766
DESCRIPTIONEP2447213
DESCRIPTIONEP2524898
DESCRIPTIONUS2001023351
DESCRIPTIONUS2004020410
DESCRIPTIONUS5043017
DESCRIPTIONUS5156719
DESCRIPTIONUS5531634
DESCRIPTIONUS5827114
DESCRIPTIONUS6228161
DESCRIPTIONUS6540878
DESCRIPTIONUS7033428
DESCRIPTIONWO0039222
DESCRIPTIONWO03061908
DESCRIPTIONWO2004083316
DESCRIPTIONWO2005121257
DESCRIPTIONWO2009074492
DESCRIPTIONWO2009133173
DESCRIPTIONWO2013078949
DESCRIPTIONWO2013142473
DESCRIPTIONWO9407658
DESCRIPTIONWO9708247
DESCRIPTIONWO9708248
DESCRIPTIONWO9714651
INTERNATIONAL-SEARCH-REPORTUS2012111520
INTERNATIONAL-SEARCH-REPORTUS5156719
INTERNATIONAL-SEARCH-REPORTWO2013191903
OPPOSITIONDE19517498
OPPOSITIONEP0445952
OPPOSITIONEP1746073
OPPOSITIONEP2997833
OPPOSITIONUS2002148582
OPPOSITIONUS2003213937
OPPOSITIONUS2012111520
OPPOSITIONUS4018877
OPPOSITIONUS4157379
OPPOSITIONUS5149552
OPPOSITIONUS5156719
OPPOSITIONUS5164006
OPPOSITIONUS6228161
OPPOSITIONWO03004414
OPPOSITIONWO2005000742
OPPOSITIONWO2010051458
OPPOSITIONWO2010146530
OPPOSITIONWO2010146531
OPPOSITIONWO2013165600
OPPOSITIONWO2013167473
OPPOSITIONWO2015086815
OPPOSITIONWO2016046051
OPPOSITIONWO9708247
OPPOSITIONWO9714847
OPPOSITIONWO9733842
OPPOSITIONWO9829601
OPPOSITIONWO9922912

Dossier Documents

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