Patents by Inventor Clay E. Pardo, Jr.

Clay E. Pardo, Jr. 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).

  • Shrinkproofing of fabrics of wool
    Patent number: 4210415
    Abstract: Knitted fabrics are fulled and shrinkproofed by a process wherein a loosely-knitted fabric is exposed to a diisocyanate. The so-treated material is then fulled and treated with a polyamine, whereby a polyurea is formed on the surface of the fibers and the fabric thus becomes shrinkproofed.
    Type: Grant
    Filed: April 7, 1977
    Date of Patent: July 1, 1980
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Clay E. Pardo, Jr., Robert E. Foster, Willie Fong, deceased