Developer compositions for silver halide photographic materials

Radiation imagery chemistry: process – composition – or product th – Nonradiation sensitive image processing compositions or... – Developer

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430489, 430490, 430484, 430468, 430601, 430610, 430613, 430480, G03C 530, G03C 716

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048731803

ABSTRACT:
The addition to an aqueous alkaline developer composition for silver halide photographic materials of a dialkylaminomethane diphosphonic acid compound sequestering agent increases the resistance of the developer composition against aerial oxidation and inhibits calcareous deposit formation.

REFERENCES:
patent: 3201246 (1965-08-01), Allen et al.
patent: 3994730 (1976-11-01), Frank et al.
patent: 4172728 (1979-10-01), Sincius et al.
patent: 4264716 (1981-04-01), Vincent et al.
patent: 4482626 (1984-11-01), Twist et al.
patent: 4588677 (1986-05-01), Ishikawa et al.
patent: 4596764 (1986-06-01), Ishimaru
patent: 4693956 (1987-09-01), Marchesano
Research Disclosure 18837, published Dec. 1979.

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