Developer compositions for newspaper plates
A developer composition which comprises in admixture: a. from about 0.1% to about 10% of sodium, potassium or lithium benzoate; and b. from about 0.1% to about 2.5% of sodium or potassium tetraborate; and c. from about 0.1% to about 10.0% of sodium or potassium citrate; and d. from about 0.1% to abo...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A developer composition which comprises in admixture: a. from about 0.1% to about 10% of sodium, potassium or lithium benzoate; and b. from about 0.1% to about 2.5% of sodium or potassium tetraborate; and c. from about 0.1% to about 10.0% of sodium or potassium citrate; and d. from about 0.1% to about 10.0% of sodium or potassium octyl sulfate; and e. from about 0.1% to about 20.0% of sodium or potassium salicylate; and f. from about 0.2% to about 10.0% of a solvent composition, which solvent composition consists essentially of one or more compounds selected from the group consisting of benzyl alcohol and phenoxyethanol; and g. an optional antifoam component in an amount of from about 0.005% to about 0.075%; and h. sufficient water to formulate an effective developer; wherein said percentages are based on the weight of the developer composition. |
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