HYDRAZIDE COMPOUNDS USEFUL AS CO-DEVELOPERS FOR BLACK-AND-WHITE PHOTOTHERMOGRAPHIC ELEMENTS

Trityl hydrazides and formyl-phenyl hydrazines are useful as co-developers with hindered phenols in thermographic elements. These co-developers have the formula: R -(C=O)n-NHNH-R R represents hydrogen and R represents an aryl or substituted aryl group; or, R represents hydrogen, alkyl and alkenyl gr...

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Bibliographische Detailangaben
Hauptverfasser:	HARRING, LORI, S, SIMPSON, SHARON, M
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY COLOUR PRINTING ELECTROGRAPHY HOLOGRAPHY LINING MACHINES MATERIALS THEREFOR ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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