Patents Assigned to CTS Biocides, Limited
  • Assay
    Patent number: 5145788
    Abstract: A method for assaying Bronopol or Permachem, i.e. 2-bromo-2-nitro-1,3-propanediol or 2,2-dibromo-2-nitroethanol, or a derivative thereof in a sample, comprises adding to the sample a diazo compound which reacts with the compound under test to form a colored species, and determining the presence and, if desired, concentration of the species colorimetrically.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: September 8, 1992
    Assignee: CTS Biocides, Limited
    Inventors: Martyn W. Hill, Dennis F. Sharman