Patents by Inventor Melissa L. Gerhart

Melissa L. Gerhart 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).

  • Sealant composition
    Patent number: 11674064
    Abstract: The present invention is directed to a sealing composition comprising: (a) a polysiloxane; (b) a reactive polysiloxane comprising at least one reactive functional group; and (c) water; wherein the weight ratio of polysiloxane to reactive polysiloxane is from 2.7:1 to 4:1. Also disclosed are coated substrates and methods of coating a substrate.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: June 13, 2023
    Assignee: PPG Architectural Finishes, Inc.
    Inventors: Maria S. French, Glen J. Kaszubski, Melissa L. Gerhart
  • Sealant Composition
    Publication number: 20200010747
    Abstract: The present invention is directed to a sealing composition comprising: (a) a polysiloxane; (b) a reactive polysiloxane comprising at least one reactive functional group; and (c) water; wherein the weight ratio of polysiloxane to reactive polysiloxane is from 2.7:1 to 4:1. Also disclosed are coated substrates and methods of coating a substrate.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 9, 2020
    Applicant: PPG Architectural Finishes, Inc.
    Inventors: Maria S. French, Glen J. Kaszubski, Melissa L. Gerhart