Patents

Ecolab Patents Treatment For Sunscreen Stains

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By: TOM BRANNA

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US Patent No. 8,759,272 B2; Ecolab USA has patented a method of laundering an article that has come in contact with sunscreen components. The method entails providing an article that has been contacted with a triglyceride sunscreen component; washing the article; rinsing the article; drying the article; and a phosphonic acid chelating agent to competitively chelate with the sunscreen components to reduce or eliminate strong metal complexes formed by the sunscreen components, during or prior to o...

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