Color paper with improved wet abrasion sensitivity

Color paper with improved wet abrasion sensitivity

The invention relates to a photographic emulsion comprising silver iodochloride grains, said grains further comprising iridium, said grains chemically sensitized with gold in an amount of between 120 and 200 mg gold per silver mole and sulfur in an amount between 0.1 and 20 mg sulfur per silver mole...

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Bibliographische Detailangaben
Hauptverfasser: MARTINEZ, ALBERTO MAGIN, HAHM, PAUL TIMOTHY, ISAAC, WALTER HAROLD, BELL, ERIC LESLIE, KESTNER, MELVIN MICHAEL
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AUXILIARY PROCESSES IN PHOTOGRAPHY
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
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Beschreibung
Zusammenfassung:The invention relates to a photographic emulsion comprising silver iodochloride grains, said grains further comprising iridium, said grains chemically sensitized with gold in an amount of between 120 and 200 mg gold per silver mole and sulfur in an amount between 0.1 and 20 mg sulfur per silver mole, 1-(3-acetamidophenyl)-5-mercaptotetrazole, 1-phenyl-5-mercaptotetrazole, and a disulfide compound represented by the following formula: wherein X is independently -O-, -NH- or -NR-, where R is a substituent; m and r are independently 0, 1 or 2; M is -H or a cationic species; Ar is an aromatic group; and L is a linking group, where p is 0 or 1.