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US 5,310,633 AGranted
Bleach-fixing composition for color photographic material and method for processing a color photographic material with the same
AssigneeFuji Photo Film Co., Ltd.
InventorsKazuaki Yoshida, Takatoshi Ishikawa
Life of this patent
Estimating the term…
Abstract
Disclosed is a powdery bleach-fixing composition which is substantially not caked during storage. The bleach-fixing composition for color photographic materials comprises a thiosulfate, an iron (III) complex compound or a salt thereof, and a sulfite, bisulfite or pyrosulfite, at least 50 molar % (in terms of sulfite ion equivalent) thereof being potassium salt.
Claims10
A bleach-fixing composition for color photographic materials which has a one-part constitution comprising a mixture of at least the following three kinds of powdery compounds 1 to 3:
- 1 a thiosulfate,
- 2 an iron (III) complex compound or a salt thereof, and
- 3 a salt selected from the group consisting of sulfites, bisulfites and pyrosulfites
- in a container, at least 50 molar % (in terms of sulfite ion equivalent) of the salt3 being potassium salt.
1 more element
Dependencies are inferred from the claim text.