Patents by Inventor Sara Ashley Friello

Sara Ashley Friello 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).

  • LOW TEMPERATURE CURE COATING COMPOSITIONS
    Publication number: 20230033514
    Abstract: A film-forming thermoset coating composition includes: (a) an aqueous medium; and Option 1 and/or Option 2 as follows: Option 1: (b1) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core; and (c1) (i) formaldehyde; (ii) polyformaldehyde; and/or (iii) a compound that generates formaldehyde; Option 2: (b2) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more N-methylolated hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core.
    Type: Application
    Filed: December 10, 2020
    Publication date: February 2, 2023
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Wei Wang, Dennis Leroy Faler, Sara Ashley Friello, Paul H. Lamers, Steven Edward Bowles, David Robert Fenn, Chester Szymanski, Shanti Swarup, Hongying Zhou, Hilary Ann Kerchner, Gobinda Saha, Brian Endlich