Patents by Inventor H. Glenn Judd

H. Glenn Judd 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 for forming silver halide grains with measurement of ion concentrations
    Patent number: 5670282
    Abstract: The invention relates to a method for emulsion formation comprising providing a source of silver nitrate and a source of alkali halide bringing said sources together in a vessel, in the vessel measuring silver and each halide ion concentration, utilizing said measurements to determine what is the composition of the silver halide particles in said vessel, and controlling the sources of halide and nitrate to control said particles composition.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: September 23, 1997
    Assignee: Eastman Kodak Company
    Inventors: H. Glenn Judd, Yun Chea Chang