Chemical and spectral sensitization of high-chloride tabular grains using high-temperature heat treatment
AssigneeEastman Kodak Company
InventorsYun C. Chang, Jerzy A. Budz
Life of this patent
Estimating the term…
Abstract
The invention relates to a method of sensitizing (111) high chloride tabular grains having {111} major faces comprising providing the high chloride tabular grains, and sensitizing using temperatures greater than 70.degree. C.
Claims12
A method of sensitizing high chloride tabular grains having {111} major faces comprising providing high chloride tabular grains having {111} major faces, and sensitizing at temperatures greater than 80.degree. C. with the proviso that said grains contain at least 50 mole percent chloride based on total silver, a 2-hydroaminoazine or xanthinoid compound is present during sensitization, and bromide is added during sensitization.
Dependencies are inferred from the claim text.