Patent No. EP4561962 (titled "Colloidal Silica-Bonded Mgo-Containing Refractory Castables") was filed by Nouryon Chemicals on Jul 26, 2023. The application was issued on Jun 4, 2025.

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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