Patent No. EP4245819 (titled "Coating Agent Composition, Surface Treatment Agent Comprising Said Composition, And Article Surface-Treated With Said Surface Treatment Agent") was filed by Shin Etsu Chemical on Nov 1, 2021. The application was issued on Sep 10, 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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