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United States Utility Patents
5,665,240 - 5,665,249

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NumberTitle
5,665,240 Point-of-use removal of lead in drinking water using phosphate and carbonate minerals
5,665,241 Dephosphorizing material and dephosphorizing method
5,665,242 Inhibition of silica precipitation
5,665,243 Method for removing metal contained in solution using surfactant having chelating ability
5,665,244 Reduction of impurities in bayer process alumina trihydrate
5,665,245 Process for recirculating and purifying waste water from a vehicle washing installation
5,665,246 Catalyzed hypochlorite decomposition process
5,665,247 Process for sealing microplates utilizing a thin polymeric film
5,665,248 Method of purging air from a swimming pool hose
5,665,249 Micro-electromechanical die module with planarized thick film layer



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