Patents

Leuco Colorants for Bluing Agents in Fabric Care

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By: Christine Esposito

Editor-in-Chief

US Patent No. 12,049,608 B2; (Gregory Scot Miracle, Daniel Dale Ditullio, Dominick Joseph Valenti, Sanjeev Kumar Dey, Haihu Qin); The Procter & Gamble Company has patented laundry care composition comprising at least one laundry care ingredient and a leuco composition wherein the laundry care composition has a ΔHA of at least 10. The leuco composition is a compound according the formula (shown below). The ratio of Formula I to its oxidized form is at least 1:3. All of the Ro a...

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