Photographic element containing a mixture of a quaternary ammonium salt and a silver salt of a heterocyclic mercaptan
Номер патента: CA1067328A
Опубликовано: 04-12-1979
Автор(ы): John T. Landon (Jr.)
Принадлежит: Eastman Kodak Co
Опубликовано: 04-12-1979
Автор(ы): John T. Landon (Jr.)
Принадлежит: Eastman Kodak Co
Реферат: Abstract of the Disclosure A photographic element containing an incorporated developing agent is disclosed which forms a photographic print having a warm image tone upon successive processing in an alkaline activator bath and a stabilizer bath. The element is comprised of a reflective nonpourous support bearing a silver halide emulsion layer which forms a view-able silver image therein upon processing. The emulsion layer contains an azaindene antifoggant. The element addi-tionally contains in or adjacent the emulsion layer a warm image tone providing mixture of a quaternary ammonium salt and a silver salt of a heterocyclic mercaptan.
Warm image tone providing photographic element
Номер патента: US4013470A. Автор: John T. Landon, Jr.. Владелец: Eastman Kodak Co. Дата публикации: 1977-03-22.