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Precipitated Calcium Carbonate, A Method For Its Manufacture And Uses Thereof - EP2976391

The patent EP2976391 was granted to Imertech on Nov 14, 2018. The application was originally filed on Mar 17, 2014 under application number EP14710308A. The patent is currently recorded with a legal status of "Revoked".

EP2976391

IMERTECH
Application Number
EP14710308A
Filing Date
Mar 17, 2014
Status
Revoked
Nov 13, 2024
Publication Date
Nov 14, 2018
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

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OMYAAug 14, 2019MAIWALDADMISSIBLE
SCHAEFER KALKAug 14, 2019MAI BESIERDEEMED NOT TO HAVE BEEN FILED

Patent Citations (21) New

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

Citation PhasePublication Number
DESCRIPTIONEP0634463
DESCRIPTIONEP2292701
DESCRIPTIONUS4824654
INTERNATIONAL-SEARCH-REPORTKR20040087050
INTERNATIONAL-SEARCH-REPORTUS2003213937
INTERNATIONAL-SEARCH-REPORTUS2004166047
INTERNATIONAL-SEARCH-REPORTWO2013050495
OPPOSITIONDE10017273
OPPOSITIONEP2764057
OPPOSITIONJP2012224535
OPPOSITIONUS2003213937
OPPOSITIONUS2004166047
OPPOSITIONUS2006099132
OPPOSITIONUS2010068506
OPPOSITIONUS3511600
OPPOSITIONUS4877598
OPPOSITIONUS5007964
OPPOSITIONUS7718085
OPPOSITIONUS7897062
OPPOSITIONWO2008128545
OPPOSITIONWO2013050495

Dossier Documents

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  • Date

    Description

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