Patents Assigned to Environmental Tests Systems, Inc.
  • Stabilized test composition, device and method for the determination of cyanuric acid in water
    Patent number: 6432717
    Abstract: A test reagent composition and device are provided for determination of cyanuric acid in water, said composition including melamine, a pH indicator that changes color due to the reaction of melamine with the cyanuric acid in the water, and a stabilizing compound capable of forming hydrogen bonds with the melamine but which does not compete with the cyanuric acid.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: August 13, 2002
    Assignee: Environmental Tests Systems, Inc.
    Inventor: Sellapperumage Rupasiri Fernando