Patents by Inventor Sarah K. Frye

Sarah K. Frye 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: 9523021
    Abstract: A waterborne coating composition includes an aqueous polyurethane resin, a reactive silicone component, and a crosslinker. The aqueous polyurethane resin can have urethane linkages, hydrazinecarboxamide linkages, and reactive hydrazide functional groups. The polyurethane resin can have a glass transition temperature of less than 25° C. Methods of preparing waterborne coating compositions and substrates at least partially coated with waterborne coating compositions are also disclosed.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: December 20, 2016
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Colin O. Schmucker, Steven Bowles, Irina Schwendeman, Venkateshwarlu Kalsani, Sarah K. Frye