Patents by Inventor James Kenneth Elwood

James Kenneth Elwood 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).

  • Patent number: 5723280
    Abstract: A silver halide photographic element comprises a silver halide emulsion layer sensitized with a sensitizing dye of Formula I: ##STR1## wherein each of X.sub.1 and X.sub.2 is an oxygen atom, a sulfur atom, or a selenium atom, with the proviso that one of X.sub.1 and X.sub.2 is an oxygen atom and the other is a sulfur or selenium atom; V.sub.1 and V.sub.2 together or V.sub.2 and V.sub.3 together represent the atoms necessary to complete a fused benzene ring; each of V.sub.4 and V.sub.5 is independently a hydrogen or halogen atom, or an alkyl, alkoxy or aryl group; R.sub.1 is an acid substituted alkyl group; R.sub.2 is a 2-sulfoethyl group; and M is a counterion as necessary to balance the charge.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: March 3, 1998
    Assignee: Eastman Kodak Company
    Inventors: Steven George Link, James Kenneth Elwood, Frederick Charles Derks, Kenneth William Lowe