PURPOSE: To provide a simple and effective hydrogen peroxide bleaching agent capable of being stably and commercially applied without forming any vesicle.
CONSTITUTION: This hydrogen peroxided bleaching agent composition has pH2-6 and contains at least one kind of compd. shown by [MO2C-(L1)p]q-R-[(L2)n-CO2 M]m. In the formula, R is a substituted or unsubstituted aromatic hydrocarbonic group or a substituted or unsubstituted aromatic heterocyclic group having at least one oxygen, nitrogen or sulfur atom, L1 and L2 are independently a substituted or unsubstituted linking group with the linking group linked to a carbonyl group through carbon, (n) and (p) are independently 1 or 0, (m) and (q) are independently 0, 1, 2, 3, 4 and 5 or 6, m+q≥1, and M is hydrogen atom, etc. The composition is used to process an image-wise exposed and developed silver halide photographic element.
SHIYAARIIAN ERIZABESU HAI
ERITSUKU RICHIYAADO SHIYUMITSU
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