JP2753836B

JP2753836B

Tetrahydrothiopyran compound of the formula I (I) in which R1, R2, R3, R4, R5, R6, X and n are as defined in claim 1, are effective stabilizers for dyes and dye couplers in photographic layers. In particular, they provide protection from damage by light. They are preferably used in combination with...

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Bibliographische Detailangaben
Hauptverfasser: JAN RODEI, DEBITSUTO JII RETSUPAADO
Format: Patent
Sprache:eng
Schlagworte:
AUXILIARY PROCESSES IN PHOTOGRAPHY
CHEMISTRY
CINEMATOGRAPHY
ELECTROGRAPHY
HETEROCYCLIC COMPOUNDS
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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Zusammenfassung:Tetrahydrothiopyran compound of the formula I (I) in which R1, R2, R3, R4, R5, R6, X and n are as defined in claim 1, are effective stabilizers for dyes and dye couplers in photographic layers. In particular, they provide protection from damage by light. They are preferably used in combination with a phenolic antioxidant.