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Liquid Detergent Patent Granted to Ecolab

Published November 14, 2005
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Patent No. US 6,645,924 B2: Research-ers for Ecolab Inc., St. Paul, MN, were awarded a patent for a device to generate a liquid detergent concentrate from a solid detergent. It comprises a solid detergent reservoir to hold the solid detergent; a water inlet to direct water onto the solid detergent; a stock solution reservoir to hold stock solution generated and a hot water heater to control the temperature of water provided to the water inlet.

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