PHOTOGRAPHIC ELEMENT
PURPOSE: To provide the photographic element capable of attaining desirable sensitometric response and graininess by a small amount of coating. CONSTITUTION: This photographic element contains a coupler capable of producing a firs pigment and also a coupling releasable group for producing the precur...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: To provide the photographic element capable of attaining desirable sensitometric response and graininess by a small amount of coating. CONSTITUTION: This photographic element contains a coupler capable of producing a firs pigment and also a coupling releasable group for producing the precursor of a second pigment after being released at the time of development. The precursor has an electrically neutral pigment chromophor. A silver amount and a coupler amount are each |
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