IP Verse

Activation Of An Alkaline Earth Calcium Carbonate And/Or Materials Containing Alkaline Earth Calcium Carbonate For Dry Cleaning Of Waste Gas

Patent No. EP2644267 (titled "Activation Of An Alkaline Earth Calcium Carbonate And/Or Materials Containing Alkaline Earth Calcium Carbonate For Dry Cleaning Of Waste Gas") was filed by Rheinkalk on Mar 30, 2012. The application was issued on Jan 20, 2021.

Patent Summary

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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 DateRepresentative
SCHAEFER KALKAug 8, 2018MAI BESIER
FELS VERTRIEBS UND SERVICEAug 7, 2018MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT MBB

Dossier Documents

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EP2644267

RHEINKALK
Application Number
EP12162517A
Filing Date
Mar 30, 2012
Status
Patent Maintained As Amended
Dec 18, 2020
Publication Date
Jan 20, 2021
External Links
Slate, EP2644267B2, Google Patents