Patent No. EP2794024 (titled "Coloring Agent Comprising Direct Dyes And Amphoteric Surfactants") was filed by Henkel on Nov 28, 2012. The application was issued on Mar 1, 2023.

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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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