COMPOSTOS DE 3-AMINOALILIDENOMALONONITRILA ABSORVEDORES DE RADIACAO UV E MATERIAL FOTOGRAFICO

3-Aminoallylidenemalononitrile compounds corresponding to the formula:wherein R, is a short alkyl chain having 1 to 3 carbon atoms and R is a substituted or unsubstituted long alkyl chain greater than 10 carbon atoms, are useful in photography for absorbing ultraviolet radiations in the range from 3...

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Bibliographische Detailangaben
1. Verfasser:	ANGELO VALLARINO
Format:	Patent
Sprache:	por
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY METALLURGY ORGANIC CHEMISTRY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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Beschreibung
Zusammenfassung:	3-Aminoallylidenemalononitrile compounds corresponding to the formula:wherein R, is a short alkyl chain having 1 to 3 carbon atoms and R is a substituted or unsubstituted long alkyl chain greater than 10 carbon atoms, are useful in photography for absorbing ultraviolet radiations in the range from 360 to 400 nm, with no undesired absorption near 420 nm, when introduced in a photographic gelatin layer.