Patents by Inventor Laurence B. Marantz

Laurence B. Marantz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sodium zirconium carbonate compound and the method of its preparation
    Patent number: 4360507
    Abstract: There is disclosed a sodium zirconium carbonate compound and the method of its preparation. The sodium zirconium carbonate compound is formed from a metastable aqueous solution comprising zirconium, sodium, sulfate, and carbonate ions.
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: November 23, 1982
    Assignee: Organon Teknika Corporation
    Inventors: Mary J. McArthur, Laurence B. Marantz, Abb L. Scarbrough
  • Sodium zirconium carbonate compound and the method of its preparation
    Patent number: 4256718
    Abstract: There is disclosed a sodium zirconium carbonate compound and the method of its preparation. The sodium zirconium carbonate compound is formed from a metastable aqueous solution comprising zirconium, sodium, sulfate, and carbonate ions.
    Type: Grant
    Filed: January 24, 1979
    Date of Patent: March 17, 1981
    Assignee: Organon Teknika Corporation
    Inventors: Mary J. McArthur, Laurence B. Marantz, Abb L. Scarbrough
  • 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