Stabilized black-and-white developing compositions and methods of use

A black-and-white photographic developing composition or developing kit includes an ascorbic acid developing agent and is essentially free of hydroquinone and similar developing agents. The developing composition further includes a water-miscible hydroxy-containing organic solvent having a molecular...

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Bibliographische Detailangaben
Hauptverfasser: SCHWARTZ PAUL A, FLAVIN SUSAN M
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A black-and-white photographic developing composition or developing kit includes an ascorbic acid developing agent and is essentially free of hydroquinone and similar developing agents. The developing composition further includes a water-miscible hydroxy-containing organic solvent having a molecular weight of from about 50 to about 200. The weight ratio of the organic solvent to water is from about 0.1:1 to about 8:1.