HEAT BLEACHABLE DYE SYSTEMS

Photothermographic elements containing heat bleachable acutance/antihalation dyes and thermographic elements employing heat bleachable dyes of the formula:in which:nis2,3,4 or 5,at least one of R1 to R4 represent hydrogen and the remainder of R1 to R4 independently represent a hydrogen atom, an opti...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SABONGI, GEBRAN JEAN, LEA, BERNARD ALAN, POON, STEPHEN SIK CHIV
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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