PHOTOGRAPHIC ELEMENTS CONTAINING CHALCOGENAZOLIM POLYMETHINE DYES (CASE A)

Polymethine dyes are disclosed containing a tellurazolium nucleus which is substituted at its 2-position with methine chain which is in tum substituted at its position with a dye property modifier. These dyes can be used in photographic elements to facilitate image formation.

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Bibliographische Detailangaben
Hauptverfasser: GUNTHER, WOLFGANG HANS HEINRICH, MEE, JOHN DAVID
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Polymethine dyes are disclosed containing a tellurazolium nucleus which is substituted at its 2-position with methine chain which is in tum substituted at its position with a dye property modifier. These dyes can be used in photographic elements to facilitate image formation.