Layers for photographic materials

Details Layers for photographic materials Layers for photographic materials

1988-05-01

1990-02-06

Griffin, Ronald W.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430531, 430640, 430642, 430905, 430539, G03C 526, G03C 100, A23L 104

Patent

active

048988103

ABSTRACT:
This invention relates to layers for photographic materials, which comprises a polysaccharide which is formed extracellularly by bacterial fermentation of glucose, maltose, sucrose or xylose, if appropriate in the presence of yeast, yeast hydrolysate or casein-hydrolysate, and with mono-, di- and/or tri-valent metal ions, forms gels having a solidification temperature between 24.degree. and 25.degree. C. Gellan gum has proved to be a particularly advantageous polysaccharide for use in the layers according to the invention.

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Sanderson et al., Food Technology, vol. 37, pp. 63-70 (1983).
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