Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing
Patent
1987-03-27
1988-08-23
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified backing or protective layer containing
430523, 430950, 430961, G03C 176
Patent
active
047660597
ABSTRACT:
The present invention relates to photographic elements comprising a support and on one or on both sides of said support in the given order at least one photosensitive silver halide emulsion layer and at least one protective hydrophilic colloid layer comprising finely divided solid spherical beads having an average size ranging from 0.5 to about 20 .mu.m, said beads comprising at least one photographically inert hydrophobic polymeric resinous material and, distributed throughout said resinous material, at least one water-insoluble wax, in a ratio by weight ranging from 10:0.1 to 10:5.
The present invention also relates to a method of making such photographic elements.
REFERENCES:
patent: 3811324 (1974-05-01), Gallagher et al.
patent: 4022622 (1977-10-01), Timmermann et al.
patent: 4094848 (1978-06-01), Naito
patent: 4396706 (1983-08-01), Ishii et al.
patent: 4427764 (1984-01-01), Tachibana et al.
patent: 4447525 (1984-05-01), Vallarino et al.
patent: 4614708 (1986-09-01), Timmerman et al.
Vandenabeele Hubert
Vervecken Jacques L.
Agfa-Gevaert N.V.
Brammer Jack P.
Breiner A. W.
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