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US 5,476,760 AGranted
Photographic emulsions of enhanced sensitivity
AssigneeEastman Kodak Company
InventorsDavid E. Fenton, Lucius S. Fox, Donald L. Black
Life of this patent
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Abstract
Tabular grain emulsions of enhanced photographic sensitivity are disclosed in which the tabular grains contain a maximum surface iodide concentration along their edges and a lower surface iodide concentration within their corners than elsewhere along their edges.
Claims7
An emulsion of enhanced photographic sensitivity comprised of a dispersing medium and silver halide tabular grains having a face centered cubic crystal lattice rock salt structure
- wherein:
- the tabular grains contain a maximum surface iodide concentration along their edges and
- a lower surface iodide concentration within their corners than elsewhere along their edges.
Dependencies are inferred from the claim text.