N-acyl-hydrazine compounds as contrast enhancers for black-and-w
Negative silver halide photographic emulsion
Negative silver halide photographic light-sensitive material cap
Negative type silver halide photographic emulsions
Negative type silver halide photographic material comprising sil
Noble metal complexes to sensitize silver halide emulsions
Non-ionic surface active compounds
Non-ionic surface active compounds
Non-ionic surface active compounds
Non-ionic surface active compounds
Non-ultraviolet-absorbing peptizer for silver halide emulsions
Non-uniform iodide high chloride {100} tabular grain emulsion
Nonagglomerating antifoamants
Nonionic alkynyl compounds and applications thereof to silver ha
Nonionic surface active oligomers as coating aids for the...
Novel hardener for gelatin and method for hardening gelatin
Novel photosensitive silver halide emulsion and method of prepar
Novel silver halide crystal and process for production of same
Nucleation of tabular grain emulsions at high pBr