Patents by Inventor Terrence Mungal

Terrence Mungal 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).

  • Yellow couplers having an arloxy coupling-off group which contains an ortho polarizable functional group
    Patent number: 5427898
    Abstract: Novel yellow dye-forming couplers, and photographic elements, emulsions and processes for developing images utilizing the novel couplers, are disclosed. The novel couplers include (a) an acyl acetanilide in which the acyl group has a monocyclic or multicyclic carbon center attached to the carbonyl moiety, and (b) an aryloxy coupling-off group at the coupling position of the acylacetanilide, the coupling-off group having in the ortho position a polarizable substituent.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: June 27, 1995
    Assignee: Eastman Kodak Company
    Inventors: Ping W. Tang, Philip T. S. Lau, Stanley W. Cowan, Terrence Mungal