Patent ID: 6521396
Filing Date: 2003-02-18
Classification: G03C

Abstract:
A method of developing a black and white high resolution film using a recommended liquid developer solution containing a reducing agent which method comprises increasing the pH of said liquid developer and increasing the content of reducing agent in said developer solution, wherein the developer solution has the following composition:Distilled water at 52Â° C. 750.0 ml, Metol (Monomethyl Para-Aminophenol Sulfate) 3.0 gm, Sodium sulfite, Anhydrous 45.0 gm, Hydroquinone 15.0 gm, Sodium carbonate, monohydrate 80.0 gm, Potassium bromide 2.0 gm, Sodium hydroxide 14.0 gm, and Cold water (from 10Â° C. to 20Â° C.) to make a total of 1000 ml at 20Â° C.