发明授权
US5837437A Diffusional flux control of soluble components in photographic elements 失效
照相材料中可溶组分的扩散通量控制

Diffusional flux control of soluble components in photographic elements
摘要:
An aqueous developable chromogenic photographic element coated on a single dimensionally stable support wherein said element comprises in reactive association (1) an aqueous diffusible photographically useful organic compound or precursor to an aqueous diffusible photographically useful organic compound, (2) radiation sensitive silver halide, (3) a compound that forms or releases a dye, (4) hydrophilic binder, and (5) one or more contiguous overcoat layers devoid of silver halide wherein said one or more overcoat layers comprise hydrophilic binder at a level of at least 3 g/m.sup.2 is disclosed.
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