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Portland Limestone Calcined Clay Cement

Patent No. EP2429966 (titled "Portland Limestone Calcined Clay Cement") was filed by Aalborg Portland on Apr 9, 2010. The application was issued on Oct 3, 2018.

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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
HOLCIM TECHNOLOGYJul 3, 2019KESCHMANN
HEIDELBERGCEMENTJul 1, 2019ZELLENTIN & PARTNER MBB PATENTANWALTE

Dossier Documents

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EP2429966

AALBORG PORTLAND
Application Number
EP10713336A
Filing Date
Apr 9, 2010
Status
Revoked
Jun 7, 2024
Publication Date
Oct 3, 2018
External Links
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