Patents by Inventor Herbert Tillman

Herbert Tillman 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).

  • Publication number: 20250043165
    Abstract: The present invention is directed towards a coating composition comprising a film-forming polymer comprising active hydrogen-containing functional groups; a blocked polyisocyanate curing agent comprising a blocking group derived from a blocking agent comprising an alpha-hydroxy amide, ester or thioester; and a curing catalyst that does not contain tin, lead, iron, zinc or manganese. Also disclosed are coatings, coated substrates, and methods of coating a substrate.
    Type: Application
    Filed: October 23, 2024
    Publication date: February 6, 2025
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Venkatachalam Eswarakrishnan, Hongying Zhou, Michael G. Sandala, Carolyn A.K. Novak, Jo-Ann E. Bice, Christopher A. Dacko, Hyun Wook Ro, Richard F. Syput, Egle Puodziukynaite, Craig A. Wilson, Justin M. Jones, Herbert Tillman
  • Publication number: 20190359867
    Abstract: The present invention is directed towards a coating composition comprising a film-forming polymer comprising active hydrogen-containing functional groups; a blocked polyisocyanate curing agent comprising a blocking group derived from a blocking agent comprising an alpha-hydroxy amide, ester or thioester; and a curing catalyst that does not contain tin, lead, iron, zinc or manganese. Also disclosed are coatings, coated substrates, and methods of coating a substrate.
    Type: Application
    Filed: February 7, 2018
    Publication date: November 28, 2019
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: Venkatachalam Eswarakrishnan, Hongying Zhou, Michael G. Sandala, Carolyn A.K. Novak, Jo-Ann E. Bice, Christopher A. Dacko, Hyun Wook Ro, Richard F. Syput, Egle Puodziukynaite, Craig A. Wilson, Justin M. Jones, Herbert Tillman