Patents Examined by P. L. Andrews
  • Method of increasing useful life expectancy of microporous separators
    Patent number: 4366037
    Abstract: A foraminous protective cathode for diaphragm-type electrolytic cells having a steel cathode and polymeric microporous separator reduces or eliminates separator plugging thereby increasing useful life-expectancy of the separator. The protective cathode positioned between the primary steel cathode and separator has an electroconductive metallic surface of nickel, cobalt, copper, chromium, noble metals, noble metal oxides or mixtures thereof.
    Type: Grant
    Filed: February 26, 1982
    Date of Patent: December 28, 1982
    Assignee: Occidental Chemical Corporation
    Inventors: Arthur C. Schulz, Edward H. Cook, Jr., Krishnan Viswanathan