Yellow azomethine dye developers
AssigneePolaroid Corporation
InventorElbert M. Idelson
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Abstract
Novel yellow ortho, ortho' dihydroxy azomethine dyes and metal complexes of such dyes which are particularly useful in photographic products and processes are presented by this invention. The novel yellow ortho, ortho' dihydrozy azomethine dyes have the following structural formula: ##STR1## where n' is the integer 1-8 and m' is the integer 1 or 2.
Claims4
A compound which is represented by the formula ##STR30## where L represents molecules that can satisfy the coordination sphere of chromium, --(alkylene)-- has from 0-6 carbon atoms, n' is an integer of from 1-8 and m' is 1 or 2.
A compound which is represented by the formula ##STR31## wherein --(alkylene)13 has from 0-6 carbon atoms.
A compound which is represented by the formula ##STR32## wherein M is a cation, n' is an integer of from 1-8 and m' is 1 or 2.
A compound which is represented by the formula ##STR33##
Dependencies are inferred from the claim text.