Photographic developer composition containing formaldehyde bisulfite alkanolamine condensation product and free alkanolamine

Claim 2

A liquid photographic developer composition comprising: a. a .Iadd.dihydroxybenzene .Iaddend.silver halide developing agent, b. a .[.carbonyl.]. .Iadd.formaldehyde .Iaddend.bisulfite-alkanolamine condensation product, and c. at least about 0.075 mole of free alkanolamine per liter of developer composition.

Claim 3

The composition of claim 1 wherein said developing agent is present in a concentration of from about 0.05 to about 0.50 mole per liter of developer composition, said .[.carbonyl.]. .Iadd.formaldehyde .Iaddend.bisulfite-alkanolamine condensation product is present in a concentration of from about 0.10 to about 1.0 mole per liter of developer composition and said free alkanolamine is present in a concentration of from about 0.075 to about 3.0 moles per liter of developer composition. .[.3. The composition of claim 2 wherein said developing agent is a dihydroxybenzene developing agent and said carbonyl bisulfite-alkanolamine condensation product is a formaldehyde bisulfite-alkanolamine condensation

Claim 4

product..]. 4. The composition of claim .[.3.]. .Iadd.2 .Iaddend.wherein

Claim 5

said dihydroxybenzene developing agent is hydroquinone. 5. The composition of claim .[.3.]. .Iadd.2 .Iaddend.which also contains 5-nitroindazole or

Claim 6

6-nitroindazole. 6. The composition of claim 4 wherein said formaldehyde bisulfite-alkanolamine condensation product is sodium-bis-(2-hydroxyethyl)aminomethane sulfonate and said free

Claim 7

alkanolamine is 2,2'-iminodiethanol. 7. The composition of claim 6 wherein said hydroquinone is present in a concentration of about 0.136 mole per liter of developer composition, said sodium-bis(2-hydroxyethyl)aminomethane sulfonate is present in a concentration of about 0.33 mole per liter of developer composition and said 2,2'-iminodiethanol is present in a concentration of about 0.457 mole

Claim 8

per liter of developer composition. 8. In a continuous process for processing an exposed, high-contrast, photographic element wherein said element is processed in one continuous motion by transporting it into and out of at least one processing solution, the improvement comprising developing said element in a liquid developer composition comprising: a. a .Iadd.dihydroxybenzene .Iaddend.silver halide developing agent, b. a .[.carbonyl.]. .Iadd.formaldehyde .Iaddend.bisulfite-alkanolamine condensation product, and c. at least about 0.075 mole of free alkanolamine per liter of developer

Claim 9

per liter of developer composition. 8. In a continuous process for processing an exposed, high-contrast, photographic element wherein said element is processed in one continuous motion by transporting it into and out of at least one processing solution, the improvement comprising developing said element in a liquid developer composition comprising: a. a .Iadd.dihydroxybenzene .Iaddend.silver halide developing agent, b. a .[.carbonyl.]. .Iadd.formaldehyde .Iaddend.bisulfite-alkanolamine condensation product, and c. at least about 0.075 mole of free alkanolamine per liter of developer

Claim 10

composition. 9. The process of claim 8 wherein said developing agent is present in a concentration of from about 0.05 to about 0.50 mole per liter of developer composition, said .[.carbonyl.]. .Iadd.formaldehyde .Iaddend.bisulfite-alkanolamine condensation product is present in a concentration of from about 0.10 to about 1.0 mole per liter of developer composition and said free alkanolamine is present in a concentration of from about 0.075 to about 3.0 moles per liter of developer composition. .[.10. The process of claim 9 wherein said developing agent is a dihydroxybenzene developing agent and said carbonyl bisulfite-alkanolamine condensation product is a formaldehyde bisulfite-alkanolamine condensation

Claim 11

product..]. 11. The process of claim .[.10.]. .Iadd.9 .Iaddend.wherein

Claim 12

said dihydroxybenzene developing agent is hydroquinone. 12. The process of claim .[.10.]. .Iadd.9 .Iaddend.wherein said developer composition also

Claim 13

contains 5-nitroindazole or 6-nitroindazole. 13. The process of claim .[.10.]. .Iadd.9 .Iaddend.wherein said photographic element comprises a silver halide emulsion in which the halide comprises at least 85 mole

Claim 14

percent chloride. 14. The process of claim .[.10.]. .Iadd.9 .Iaddend.wherein said photographic element comprises a silver halide emulsion in which the halide comprises at least 90 mole percent chloride,

Claim 15

substantially no iodide and the balance bromide. 15. The process of claim 13 wherein said silver halide emulsion contains a mixture of gelatin and a

Claim 16

vinyl polymer as the binding agent. 16. The process of claim 15 wherein said vinyl polymer is a water-insoluble polymer of an alkyl acrylate or

Claim 17

alkyl methacrylate. 17. The process of claim 11 wherein said formaldehyde bisulfite-alkanolamine condensation product is sodium-bis-(2-hydroxyethyl)aminomethane sulfonate and said free

Claim 18

alkanolamine is 2,2'-iminodiethanol. 18. The process of claim 17 wherein said hydroquinone is present in a concentration of about 0.136 mole per liter of developer composition, said sodium-bis(2-hydroxyethyl)aminomethane sulfonate is present in a concentration of about 0.33 mole per liter of developer composition and said 2,2'-iminodiethanol is present in a concentration of about 0.457 mole

Claim 19

per liter of developer composition. 19. The process of claim .[.10.]. .Iadd.9 .Iaddend.wherein said photographic element is transported by rollers.