Patents by Inventor George R. DePaolo

George R. DePaolo 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).

  • Method for sizing and coloring textile materials
    Patent number: 4201803
    Abstract: Durable sizing of a textile substrate may be accomplished by applying thereto an aqueous dispersion or emulsion of an unthickened chain extended polyurethane having pendant carboxyl groups, a tertiary amine, a thermosetting aminoplast resin, a catalyst for curing said resin, and an anionic or nonionic surfactant.
    Type: Grant
    Filed: February 13, 1978
    Date of Patent: May 6, 1980
    Assignee: American Cyanamid Company
    Inventor: George R. DePaolo