Patents by Inventor James C. Loblaw

James C. Loblaw 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).

  • Halftone imaging silver halide emulsions, photographic elements, and processes which employ novel arylhydrazides
    Patent number: 4560638
    Abstract: An unballasted arylhydrazide is disclosed the aryl moiety of which is substituted with a group of the formula ##STR1## where one of X and X' represents --NH--, the other represents a divalent chalcogen, and R represents an aliphatic or aromatic residue. The arylhydrazides, when applied to halftone imaging in conjunction with silver halide emulsions, photographic elements, and imaging processes, produce images of improved dot quality and low levels of pepper fog.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: December 24, 1985
    Assignee: Eastman Kodak Company
    Inventors: James C. Loblaw, Barbara B. Lussier
  • Halftone imaging silver halide emulsions, photographic elements, and processes which employ novel arylhydrazides
    Patent number: H41
    Abstract: An unballasted arylhydrazide is disclosed the aryl moiety of which is substituted with a group of the formula ##STR1## where one of X and X' represents -NH-, the other represents a divalent chalcogen, and R represents an aliphatic or aromatic residue. The arylhydrazides, when applied to halftone imaging in conjunction with silver halide emulsions, photographic elements, and imaging processes, produce images of improved dot quality and low levels of pepper fog.
    Type: Grant
    Filed: August 2, 1985
    Date of Patent: April 1, 1986
    Assignee: Eastman Kodak Company
    Inventors: James C. Loblaw, Barbara B. Lussier