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US 5,846,697 AGranted
Concentrated solution and kit for making a photographic color developer
AssigneeEastman Kodak Company
InventorJean Pierre Masson
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Abstract
A photographic concentrate for preparing a color developer comprises benzyl alcohol, water and organic solvents. This concentrate can be part of a kit for preparing a color developer along with 2 other concentrated solutions. The noted concentrated solution comprises benzyl alcohol at between 25 and 35%, water at between 3 and 8%, ethylene glycol at between 10 and 20% and diethylene glycol at between 35 and 60%.
Claims12
A color reversal processing method comprising:
- (A) developing only the silver in an imagewise exposed color reversal photographic material,
- (B) light exposing or chemically fogging residual silver halide grains in said material,
- (C) color developing said material with the color developer prepared as defined below,
- (D) bleaching said color developed material, and
- (E) fixing said bleached material, said color developer prepared by mixing:
- a first concentrated solution comprising 25-35% benzyl alcohol, 3-8% water, 10-20% ethylene glycol, and 35-60% diethylene glycol,
- a second concentrated solution comprising a color developing agent, and
- a third concentrated alkaline solution different from said first and second concentrated solutions.
5 more elements
Dependencies are inferred from the claim text.