Company News, Patents

Detergent Additive Patented

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By: TOM BRANNA

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Detergent Additive Patented By Phillips Petroleum l Patent No. US 6,620,776 B2: Phillips Petroleum Co., Bartlesville, OK, pat-ented a composition comprising an alkyl group with one to 20 carbon atoms, and a phenyl substituted with both a hydroxy and a methyl, as well as an alkyl group with one to 20 carbon atoms, and a phenyl substituted with both a hydroxy and a methyl....

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