Patents by Inventor EmmaLee J. Spahl

EmmaLee J. Spahl 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).

  • 1-sulfonyl-1H-benzotriazole compounds as print stabilizers in photothermographic elements
    Patent number: 6171767
    Abstract: 1-Sulfonyl-1H-benzotriazole compounds have been found to be useful as antifoggants and print stabilizers in photothermographic elements. The photothermographic elements may be used in medical imaging films or as a photomask in a process where there is a subsequent exposure of an ultraviolet or short wavelength visible radiation-sensitive imageable medium.
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: January 9, 2001
    Assignee: Eastman Kodak Company
    Inventors: Steven H. Kong, Kumars Sakizadeh, Gary E. Labelle, EmmaLee J. Spahl, Paul G. Skoug