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Ascorbic Acid Developing Compositions Disclosure Number: IPCOM000004576D
Publication Date: 2001-Feb-22

Publishing Venue

The Prior Art Database


"Black and white silver halide photographic developing compositions are provided, which comprise: (a) a developing agent of the ascorbic acid type; and (b) an auxiliary developing agent of the 3-pyrazolidone type having solubilizing groups. The composition also contains usual componets such as antifoggants, sequestrants, sulfites, buffers. Such compositions can be used for developing silver halide X-ray films or Graphic Arts films."