Alberto Vacca

Process for the production of photosensitive silver halide emulsions

White light handeable direct-positive silver halide photographic elements

Silver halide photographic material having improved resistance to pressure desensitization

Photosensitive silver halide material for obtaining half-tone black-and-white images and method for half-tone high-contrast reproduction

Method of preparing silver halide photographic emulsions

Infrared sensitive photographic elements

Negative-acting silver halide photographic elements having extended UV exposure latitude

Method for preparing silver halide photographic emulsions

An infrared sensitive photographic elements.

Infrarotempfindliche photographische Elemente