Hochkontrastreiches photographisches Aufzeichnungsmaterial und Emulsion und Verfahren zu ihrer Entwicklung
A photographic recording material and emulsion are described which are capable of providing high contrast images. The recording material and emulsion comprises negative working silver halide and contrast enhancing arylhydrazide nucleating agents of the formula. wherein: R is a substituted or unsubst...
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| Format: | Patent |
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| Zusammenfassung: | A photographic recording material and emulsion are described which are capable of providing high contrast images. The recording material and emulsion comprises negative working silver halide and contrast enhancing arylhydrazide nucleating agents of the formula. wherein: R is a substituted or unsubstituted alkyl having from 1 to 8 carbon atoms or a substituted or unsubstituted cycloalkyl having from 4 to 8 carbon atoms in the ring. |
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