Vacuum packaged photographic processing composition
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United States of America Patent
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Apr 20, 1993
Grant Date -
N/A
app pub date -
May 29, 1991
filing date -
May 29, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vacuum package of a photographic processing composition consisting of a plurality of components is obtained by placing the components in a bag as separate solid state layers in a vacuum sealed manner. A normally liquid component is converted into a solid adduct in order to form a layer. A substantially water insoluble component or trace component is coated on the surface of particles of a water soluble inorganic compound, from which another layer is formed. The packaged composition is taken out of the bag and diluted with water to prepare a processing solution.
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