Patents by Inventor Heather Drake

Heather Drake 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).

  • Patent number: 11619590
    Abstract: A composition and method for the photometric determination of a film-forming amine in liquid by adding an indicator reagent to an aqueous system that is pH dependent, combining a water soluble non-ionic polymer to modify the physical properties of the aqueous system, and adding an acidic buffer to said aqueous system to lower pH and activate said indicator, said water soluble polymer keeping the filming amine/indicator complex in solution despite the acidic buffer and preventing it from precipitating out.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: April 4, 2023
    Assignee: Taylor Water Technologies LLC
    Inventors: Brian Trice, Heather Drake
  • Publication number: 20210239620
    Abstract: A composition and method for the photometric determination of a film-forming amine in liquid by adding an indicator reagent to an aqueous system that is pH dependent, combining a water soluble non-ionic polymer to modify the physical properties of the aqueous system, and adding an acidic buffer to said aqueous system to lower pH and activate said indicator, said water soluble polymer keeping the filming amine/indicator complex in solution despite the acidic buffer and preventing it from precipitating out.
    Type: Application
    Filed: February 3, 2021
    Publication date: August 5, 2021
    Inventors: Brian Trice, Heather Drake