Modified starches and compositions such as photographic silver halide emulsions containing them

The solubility of dialdehyde starch in water is improved by treating it at room temperature with dilute alkali, which preferably has a strength of 0.01 N to 0.1 N. In examples, dialdehyde starch with an aldehyde content 90% of the theoretical maximum was shaken for 1 hour at room temperature with 0....

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Bibliographische Detailangaben

Hauptverfasser:	JEFFREYS ROY ARTHUR, TABOR BRYAN ERNEST
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON ELECTROGRAPHY HOLOGRAPHY METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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