Patents by Inventor Andrew M. KARL

Andrew M. KARL 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).

  • Polyaspartic ester compositions, and methods of making and using same
    Patent number: 10717702
    Abstract: Methods of preparing a polyaspartic ester composition comprise reacting a primary diamine reactant composition with a diester reactant composition under conditions to prepare a polyaspartic ester composition having a primary amine value of less than 35 mg KOH/g wherein, at the time of the reaction, the combined water content of the primary diamine reactant composition and the diester reactant composition is less than 300 ppm. Compositions and methods of use of the compositions are also described.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: July 21, 2020
    Assignee: CARGILL, INCORPORATED
    Inventors: Andrew M. Karl, Todd L. Kurth
  • POLYASPARTIC ESTER COMPOSITIONS, AND METHODS OF MAKING AND USING SAME
    Publication number: 20200010405
    Abstract: Methods of preparing a polyaspartic ester composition comprise reacting a primary diamine reactant composition with a diester reactant composition under conditions to prepare a polyaspartic ester composition having a primary amine value of less than 35 mg KOH/g wherein, at the time of the reaction, the combined water content of the primary diamine reactant composition and the diester reactant composition is less than 300 ppm. Compositions and methods of use of the compositions are also described.
    Type: Application
    Filed: March 2, 2018
    Publication date: January 9, 2020
    Applicant: CARGILL, INCORPORATED
    Inventors: Andrew M. KARL, Todd L. KURTH