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Device And Method For Manufacturing Cement Clinker And Calcined Clay - EP4201908

The patent EP4201908 was granted to Heidelbergcement on Dec 4, 2024. The application was originally filed on Dec 23, 2021 under application number EP21217500A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4201908

HEIDELBERGCEMENT
Application Number
EP21217500A
Filing Date
Dec 23, 2021
Status
Granted And Under Opposition
Nov 1, 2024
Publication Date
Dec 4, 2024
External Links
Slate, Register, Google Patents

Patent Summary

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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.

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SUDBAYERISCHES PORTLAND ZEMENTWERK GEBR WIESBOCKAug 8, 2025LOHRADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication Number
DESCRIPTIONEP20200208395
DESCRIPTIONUS6168424
DESCRIPTIONWO2021124261
OPPOSITIONDE102008031165
OPPOSITIONDE102011014498
OPPOSITIONDE102016005285
OPPOSITIONWO2021124261
SEARCHDE102016005285
SEARCHWO2021124261

Dossier Documents

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    Description

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