Vacuum packaged photographic processing composition

Details Vacuum packaged photographic processing composition Vacuum packaged photographic processing composition

1991-05-29

1993-04-20

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Process of preparing composition from plural preformed...

430403, 430464, 430465, 430466, 430449, 2065248, 206578, G03C 518, G03C 526

Patent

active

052042308

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.

REFERENCES:
patent: 4366232 (1982-12-01), Buser et al.
patent: 4770979 (1988-09-01), Koboshi et al.

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