Patents by Inventor Thomas C. Gilmer

Thomas C. Gilmer 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: 4812506
    Abstract: A blocked acid catalyst of an aromatic sulfonic acid blocked with amino methyl propanol and coating compositions containing the blocked acid catalyst.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: March 14, 1989
    Assignee: E. I Du Pont De Nemours and Company
    Inventors: Thomas C. Gilmer, David C. K. Chang
  • Patent number: 4429066
    Abstract: An additive for use in high solids coating compositions which is a blend of(1) colloidal silica,(2) a polymeric bridging agent,(3) an aromatic sulfonic acid, and(4) n-propyl amine;high solids coating compositions containing this additive have excellent shelf viscosity stability and finishes of such compositions and have excellent gloss and appearance and can be used as exterior finishes on automobiles and trucks.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 31, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Thomas C. Gilmer