Yellow 2:1 chrome complexed dye developers

Details Yellow 2:1 chrome complexed dye developers Yellow 2:1 chrome complexed dye developers

C - Chemistry, Metallurgy

09

B

96/119, 260/166.

C09B 45/16 (2006.01) C09B 55/00 (2006.01) G03C 1/10 (2006.01) G03C 7/00 (2006.01) G03C 8/18 (2006.01)

Patent

CA 1107723

ABSTRACT Novel yellow 2:1 chrome complexed dye developer particularly useful in photogRaphic products and processes are presented by this invention. The novel 2:1 chrome complexed dye developers have the following structure: Image where each A is a phenyl radicals each B is a phenyl or nitrogen containing heterocylic radical; Y is a silver halide developing substituent; each n is 0 or 1 but at least one n must be 1: R is N or CH; R1 is -?-O- if R is N but R1 is -O- if R is CH and X is a cation.

311910

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