Patent No. EP3897531 (titled "Antimicrobial Compositions Comprising Modified Clay And Biphenol") was filed by Unilever on Nov 26, 2019. The application was issued on Jul 9, 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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