Patents Assigned to AAA Scientific Limited
  • Apparatus and method for preparing a ninhydrin reagent
    Patent number: 9977027
    Abstract: A method for analyzing one or more nitrogen-containing compounds is disclosed. In the method, a ninhydrin-containing composition is irradiated with UV light in an activation zone to produce a ninhydrin reagent containing hydrindantin. The ninhydrin reagent is passed to a reaction zone. In the reaction zone the ninhydrin reagent is contacted with the nitrogen-containing compounds.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: May 22, 2018
    Assignee: AAA Scientific Limited
    Inventors: Michael Gerard Pallot, Leslie John Pitts, Philip Jones