Method for processing of silver halide color photographic material with dialysis treatment

Claim 2

In a method for processing of a photographic material which comprises carrying out stabilizing processing of a photographic material which comprises carrying out stabilizing processing of a photographic material with a stabilizing solution in a stabilizing bath substantially without washing with water subsequent to the processing with exposure, development and processing having fixing ability, the improvement comprising removing iron (III) ions form said stabilizing solution by subjecting said stabilizing solution to electrodialysis treatment; and thereafter recycling said stabilizing solution for stabilizing processing of photographic material whereby the occurrence of yellow stain in the processed photographic material using the recycled stabilizing solution is inhibited.

Claim 3

The method for processing of a photographic material according to claim 1, wherein the stabilizing solution contains a chelating agent having a chelate stability constant with iron (III) ions of 6 or more.

Claim 4

The method for processing of a photographic material according to claim 2, wherein the stabilizing solution contains a chelating agent having a chelate stability constant with iron (III) ions of 13 or more.

Claim 5

The method for processing of a photographic material according to claim 3, wherein the stabilizing solution contains a chelating agent selected from diethylenetriaminepentaacetic acid, 1-hydroxyethylidene-1,1-diphosphonic acid and salts thereof.

Claim 6

The method for processing of a photographic material according to claim 1, wherein the stabilizing solution subjected to electrodialysis by an electrodialytic cell having ion-exchange membranes which partition the cell between the cathode and the electrode.

Claim 7

The method for processing of a photographic material according to claim 5, wherein the stabilizing solution subjected to electrodialysis by an electrodialytic cell having anion exchange membranes and cation exchange membranes which partition alternately the cell between the cathode and the anode to consist of a cathode chamber, a plurality of concentration chambers, a plurality of desalination chambers and an anode chamber.

Claim 8

The method for processing of a photographic material according to claim 6, wherein the stabilizing solution is added to the desalination chambers or the cathode chamber.

Claim 9

The method for processing of a photographic material according to claim 6, wherein the processing liquid having fixing ability is used as the electrolyte solution in the concentration chambers and the anode chamber.

Claim 10

The method for processing of a photographic material according to claim 7, wherein electrodialysis treatment is carried out, while circulating constantly said stabilizing solution between the desalintion chambers and the cathode chamber in the electrodialytic cell.

Claim 11

The method for processing of a photographic material, according to claim 1, wherein the stabilizing solution contains an anti-fungal agent.

Claim 12

The method for processing of a photographic material according to claim 1, wherein the stabilizing solution contains an ammonia compound.

Claim 13

The method for processing of a photographic material according to claim 1, wherein the stabilizing solution has a pH value of 2 to 9.

Claim 14

The method for processing of a photographic material according to claim 1, wherein the replenishing amount of the stabilizing solution is not more than 2 liters per 1 m 2 of photographic material.

Claim 15

The method for processing of a photographic material according to claim 13, wherein the replenishing amount of the stabilizing solution is 20 ml to 1 liter per 1 m 2 of photographic material.

Claim 16

The method for processing of a photographic material according to claim 6, wherein the cathode chamber and a concentration chamber are partitioned off by an anion exchange membrane.

Claim 17

The method for processing of a photographic material according to claim 6, wherein the anode chamber and a desalination chamber are partitioned off by an anion exchange membrane.

Claim 18

The method for processing of a photographic material according to claim 6, wherein the electrodialytic cell consists of an odd number of cation exchange membranes and an even number of anion exchange membrane.

Claim 19

The method for processing of a photographic material according to claim 3, wherein the stabilizing solution contains a chelating agent selected from the group consisting of ethylenediamine diorthohydroxyphenylacetic acid, nitrilotracetic acid, hydroxyethylenediaminetriacetic acid, diethylenetriaminepentaacetic acid, hydroxyethyliminodiacetic acid, diaminopropanoltetraacetic acid, transcyclohexanediaminetraacetic acid, ethylenediaminetetrakismethylenephosphonic acid, nitriletrimethylenephosphonic acid, 1-hydroxyethylidene-1,1-diphosphonic acid, 1,1"-diphosphonoethane-2-carboxylic acid, 2-phosphonobutane-1,2,4-tricarboxylic acid, 1-hydroxy-1-phosphonopropane-1, 2,3-tricarboxylic acid, catechol-3,5-disulfonic acid, sodium pyrophosphate, sodium tetrapolyphosphate and sodium hexametapohsphate.

Claim 20

The method for processing of a photographic material according to claim 4, wherein the stabilizing solution contains as chelating agent 1-hydroxyethlidene-1,1-diphosphonic acid or salts thereof.

Claim 21

The method for processing of a photographic material according to claim 2, wherein the stabilizing solution contains an anti-fungal agent and ammonia.