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US 5,726,005 AGranted
Photographic print elements containing cubical grain silver iodochloride emulsions
AssigneeEastman Kodak Company
InventorsBenjamin Teh-Kung Chen, James Lawrence Edwards, Roger Lok, Sanford Howard Ehrlich
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Abstract
A photographic print element is disclosed having a reflective support and at least one image recording emulsion layer unit containing cube-like silver iodochloride grains containing from 0.05 to 3 mole percent iodide, based on total silver, in a controlled, non-uniform iodide distribution forming a core, an iodide-free surface shell having a thickness of greater than 50 .ANG., and a sub-surface shell that contains a maximum iodide concentration.
Claims23
A photographic print element comprised of
- a reflective support and, coated on the support,
- at least one image recording emulsion layer unit containing a radiation-sensitive emulsion comprised of a dispersing medium and silver iodochloride grains
- WHEREIN the silver iodochloride grains
- are comprised of three pairs of equidistantly spaced parallel {100} crystal faces and
- contain from 0.05 to 3 mole percent iodide, based on total silver, in a controlled, non-uniform iodide distribution forming a core containing at least 50 percent of total silver, an iodide-free surface shell having a thickness of greater than 50 .ANG., and a sub-surface shell that contains a maximum iodide concentration.
2 more elements
Dependencies are inferred from the claim text.