78340742
Dec 15, 2003
Liquid and vapor purification units, namely, polymeric membranes for use in liquid and vapor separation processes utilizing reverse osmosis, nanofiltration, ultrafiltration, pervaporation and microfiltration, and modules and cartridges containing such polymeric membranes; liquid purification operating systems comprising pressure driven membrane separation units incorporating reverse osmosis, nanofiltration, ultrafiltration and microfiltration polymeric membranes, for liquid and vapor separation in the fields of wastewater treatment, food and beverage processing, industrial liquid and gas separations, and desalination
Environmental Control Apparatus