Patents by Inventor James E. Purcell

James E. Purcell 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).

  • Gas-fade inhibition
    Patent number: 5904738
    Abstract: The invention is directed to (1) a method for increasing the color fastness of dyed textiles subject to exposure by atmospheric gases by treating said textiles with a fade-inhibiting amount of a composition comprising at least one polyalkylene imine and (2) the dyed textiles so treated.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: May 18, 1999
    Assignee: Crompton & Knowles Corporation
    Inventor: James E. Purcell