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Unilever Earns Shampoo Patent



Published November 11, 2005
Related Searches: patent personal shampoo Surfactant
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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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