Patents Assigned to FOURTH PRINCIPLE, LLC
  • Compositions including keto-ester compounds and methods of using the same
    Patent number: 11370996
    Abstract: Compositions that include at least one low molecular weight to oxygen containing solvent and one or more compounds of formula (I) wherein R is a C1-C6 alkyl; X is a C1-C10 alkyl and n is an integer from 0 to 5. Methods of removing polymeric material containing heteroatoms from a surface by contacting the surface with such compositions and wiping the composition at least some portion of the polymeric material from the surface.
    Type: Grant
    Filed: December 22, 2018
    Date of Patent: June 28, 2022
    Assignee: FOURTH PRINCIPLE, LLC
    Inventors: Bart Engendahl, Tess Fennelly