摘要:
Alkoxy mercaptophenols are used in photographic silver halide elements and emulsions in order to stabilize said elements and emulsions against fog.
摘要:
A photographic element is disclosed comprised of a support having coated thereon a silver halide emulsion layer. In the emulsion layer or in a second layer adjacent to it, a development accelerating amount of a ruthenium cationic complex is included. The ruthenium complex includes a predominance of ammine and/or amine ligands.
摘要:
This invention relates to photographic compositions comprising adducts of thiourazoles, including dithiourazoles, with unsaturated compounds. Typical useful adducts are made with unsaturated acids, aldehydes, amides, ketones and esters and include monoadducts and diadducts of the thiourazoles.