Yellow azomethine dye developers

Details Yellow azomethine dye developers Yellow azomethine dye developers

1979-03-23

1980-11-04

Sweed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260429C, C07F 1100

Patent

active

042319501

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.

REFERENCES:
patent: 3597200 (1971-08-01), Idelson
patent: 3705184 (1972-12-01), Goulston et al.
patent: 3752836 (1973-08-01), Idelson
patent: 3770833 (1973-11-01), Bader et al.
patent: 3929848 (1975-12-01), Boder et al.
patent: 4102879 (1978-07-01), Baumann
patent: 4123429 (1978-10-01), Brouard et al.

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