Patents by Inventor Gregory G. Gresock

Gregory G. Gresock 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).

  • Color negatives adapted for visual inspection
    Patent number: 5972585
    Abstract: A color negative photographic element is disclosed containing yellow, magenta and cyan dye-forming couplers and masking dyes. Visual judging of the negative image obtained following processing is facilitated by choosing the masking dyes to provide, following imagewise exposure and processing, in CIE1976(L.sup.* a.sup.* b.sup.*) color space L.sup.* values of greater than 30 and C.sup.* values of less than 20, where C.sup.* values are derived from the formula: C.sup.* =[(a.sup.*).sup.2 +(b.sup.*).sup.2 ].sup.1/2.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: October 26, 1999
    Assignee: Eastman Kodak Company
    Inventors: Allan F. Sowinski, Gregory G. Gresock, Wayne F. Erickson, Ronald R. Andrews