11.14.05
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.