Patents by Inventor Sandra Paa

Sandra Paa 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).

  • COMPOSITIONS FOR ENHANCING NITROGEN FERTILIZERS BY INCORPORATING ANTI-OXIDANT MOIETIES AND METHODS FOR USE THEREOF
    Publication number: 20250382239
    Abstract: The present invention relates to urease inhibitor compositions containing tert-butylhydroquinone and optionally an additive component to enhance the inhibitory properties of tert-butylhydroquinone. Further described are uses of these compositions in agriculture to increase nutrient uptake and inhibit urease enzyme activity.
    Type: Application
    Filed: September 28, 2023
    Publication date: December 18, 2025
    Inventors: Ashish Arun Pandya, Kuide Qin, Gary Orr, Sandra Paa
  • Combination of pyroglutamic acid and a urease inhibitor for improved plant health effects
    Patent number: 12349679
    Abstract: The subject matter described herein relates generally to compositions and formulations and methods of use of combinations of pyroglutamic acid and NBPT for improving plant health characteristics, such as crude protein yield and increasing percent nitrogen in plant tissue.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: July 8, 2025
    Inventors: Darin Lickfeldt, Amy Burton, Sandra Paa, Nicholas William Vandervort, III
  • COMBINATION OF PYROGLUTAMIC ACID AND A UREASE INHIBITOR FOR IMPROVED PLANT HEALTH EFFECTS
    Publication number: 20220110326
    Abstract: The subject matter described herein relates generally to compositions and formulations and methods of use of combinations of pyroglutamic acid and NBPT for improving plant health characteristics, such as crude protein yield and increasing percent nitrogen in plant tissue.
    Type: Application
    Filed: February 21, 2020
    Publication date: April 14, 2022
    Inventors: Darin Lickfeldt, Amy Burton, Sandra Paa, Nicholas William Vandervort