Developer-finisher compositions for lithographic plates

G - Physics – 03 – F

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G03F 7/32 (2006.01) B41N 3/08 (2006.01)

Patent

CA 1330403

Abstract A developing and finishing composition for lithographic printing plates containing: a. a mono-, di-, or tri-sodium, potassium or lithium phosphate; and b. benzyl alcohol, phenoxyethanol or phenoxypropanol; and c. polyvinyl pyrrolidone, dextrin, poly (methyl vinyl ether/maleic acid) or gum arabic; and d. citric acid or benzoic acid; and e. sodium or potassium octyl sulfate; and f. sodium, potassium or lithium benzoate; and g. sodium, potassium or ammonium citrate; and h. sodium, potassium or ammonium sorbate; and i. sufficient water to formulate an effective developer.

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