THERMAL DEVELOPMENT AND COLOR PHOTOGRAPHIC RECORDING MATERIAL SUITABLE THEREFOR

Compounds corresponding to formula I are suitable for use as thermal development and diffusion promoting agents for the heat development process. The said compounds enable higher color transfer densities to be obtained and/or the development time to be reduced. (I) wherein R1, R2 denote alkyl, cyclo...

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Hauptverfasser: KAARU BIRUHERUMU SHIYURANTSU, GIYUNTAA SHIENKU
Format: Patent
Sprache:eng
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Zusammenfassung:Compounds corresponding to formula I are suitable for use as thermal development and diffusion promoting agents for the heat development process. The said compounds enable higher color transfer densities to be obtained and/or the development time to be reduced. (I) wherein R1, R2 denote alkyl, cycloalkyl, aralkyl, aryl or acyl and Z denotes a group for completing a saturated heterocyclic ring containing 5 to 11 ring members.