Patents Assigned to Info-Chem Inc.
  • Patent number: 4521376
    Abstract: An indicator capable of determining whether the concentration of a disinfectant/sterilant solution of glutaraldehyde exceeds a predetermined value comprising an indicator medium impregnated with a sulfite compound and an amino acid or an ammonium salt.
    Type: Grant
    Filed: June 13, 1983
    Date of Patent: June 4, 1985
    Assignee: Info-Chem Inc.
    Inventors: Robert J. Witonsky, Raymond P. Larsson