6Millipore Corporation. Depletion Compartment and Spacer Construction for Electrodeioniation Apparatus. US Patent 4,747,929. 1988-05-31
7Millipore Corporation. Depletion Compartment for Deionization Apparatus and Methods. US Patent 4,804,451. 1989-02-14
8Akahori Masaji, Konishi Satosi. Porous ion exchangers and preparation of deionized wat er. JP 10,192,717
9Ganzi G. C. The IonpureTM Continuous Deionization Process:Effect of Electrical Current Distribution on Performance. Proc.of the 80th annual AICHE meeting. (11.28, 1988). Washington,DC
10Ganzi G. C. , Parise P. L. The Production of Pharmaceutical Grades of Water Using Continuous Deionization Post-Reverse Osmosis. J. of Parenteral Science & Technology. 1990,44(4):231 -239