Company News, Patents

Unilever Earns Shampoo Patent

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By: TOM BRANNA

Editor

Patent No. US 6,444,628 B2: Unilever Home and Personal Care (HPC) USA, Chicago, IL, patented an aqueous shampoo with an anionic cleansing surfactant, a cationic polymer and a mono-long chain alkyl quaternary ammonium compound....

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