Patents by Inventor Barbara S. Askins

Barbara S. Askins 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 of obtaining intensified image from developed photographic films and plates
    Patent number: 4101780
    Abstract: A method of obtaining intensified images from silver images on developed photographic films and plates comprises the steps of converting silver of the developed film or plate to a radioactive compound by treatment with an aqueous alkaline solution of an organo-S35 compound; placing the treated film or plate in direct contact with a receiver film which is then exposed by radiation from the activated film; and developing and fixing the resulting intensified image on the receiver film.
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: July 18, 1978
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventor: Barbara S. Askins