Patents Assigned to CCI Life Systems, Inc.
  • Urease in insoluble form for converting urea present in a liquid
    Patent number: 3989622
    Abstract: Urease is adsorbed in an aqueous environment on a urease retaining material selected from the group comprising aluminum oxide and magnesium silicate and is thereafter insoluble so that when contacted by liquid containing urea, the urea is converted into ammonium carbonate while the urease remains adsorbed on the retaining material.
    Type: Grant
    Filed: May 21, 1973
    Date of Patent: November 2, 1976
    Assignee: CCI Life Systems, Inc.
    Inventors: Laurence B. Marantz, Mario G. Giorgianni