Direct pigment photographic printing

Details Direct pigment photographic printing Direct pigment photographic printing

1992-03-30

1993-06-01

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Multilayer

430271, 430274, 430289, 430292, 430295, 430935, 430495, 430320, 430 17, G03C 100, G03C 166

Patent

active

052158373

ABSTRACT:
A direct pigment photographic printing process and composition based on a two-step coating process comprising a first coating applied to a sealed substrate containing between 2 to 8 and 8 to 2 weight parts of gum arabic to gelatin, and then applying a second top coating containing preferred ratios of gum arabic to gelatin. The process is based on heating the first and second coating compositions sufficiently above about 105.degree. F. prior to application to the substrate to assure homogeneous mixtures of each coating at the time of application.

REFERENCES:
patent: 3072482 (1963-01-01), Beeber et al.
patent: 3172763 (1965-03-01), Kumins et al.
patent: 3929481 (1975-12-01), Kubotera et al.
patent: 4584267 (1986-04-01), Masukawa et al.

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