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Title:
写真現像組成物
Document Type and Number:
Japanese Patent JP4307778
Kind Code:
B2
Abstract:
A photographic developer composition for use in the development of a black and white silver halide photographic element said composition comprises at least one developing agent and, in an amount sufficient to inhibit sludge deposition, one or more compounds selected from compounds having the formula X-R<1>-CONH-A-S-S-B-NHCO-R<2>-Y wherein A and B are each independently a substituted or unsubstituted aliphatic, alicyclic, aromatic or heterocyclic group; R<1> and R<2> are each independently a substituted or unsubstituted aliphatic, alicyclic, aromatic or heterocyclic group; X and Y are each independently a solubilising group; and compounds having the formula X-R<1>-CONH-A-S-M wherein A, R<1> and X are as defined above, and M is either a hydrogen atom or a cationic species if the sulfur atom is in its ionised form.

Inventors:
Paul Mary Maggie
Brian james hoodie
Nicholas Alan Pit Ring
Application Number:
JP2002032289A
Publication Date:
August 05, 2009
Filing Date:
February 08, 2002
Export Citation:
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Assignee:
Eastman Kodak Company
International Classes:
G03C5/305; G03C1/34; G03C5/30
Domestic Patent References:
JP5289255A
JP6258780A
JP7311430A
JP4299338A
JP10115897A
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Koji Takeuchi
Yoshihiro Kobayashi
Satoshi Deno