Photographic tanning developer formulation
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United States of America Patent
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-
Oct 13, 1987
Issued Date -
N/A
app pub date -
Aug 18, 1986
filing date -
Mar 2, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An alkaline aqueous tanning developing solution for photographic image development comprising at least one hydroxylamine derivative. Preferred formulations may also contain at least one water-miscible polyhydroxy aliphatic organic solvent and/or a developing agent which comprises a polyhydroxybenzene compound having at least two hydroxy groups and at least one electron withdrawing and good leaving group suitable for nucleophilic addition.
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