Company News, Patents

Colgate Earns Patent

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By: TOM BRANNA

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● Patent No. US 6,608,022 B1: Colgate- Palmolive Co. researchers in Canada patented a multi-layered cleaning tablet which contains lactic acid; an alkali metal bicarbonate; bentonite clay containing a blue, green or pink dye; at least one anionic surfactant; a microcrystalline methyl cellulose; an alkali metal carbonate; a bleach-containing compound; a precipitated silica; a polyethylene glycol; an ethoxylated nonionic surfactant; adipic acid and a blue or green dye....

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