PIGMENTARY SALTS OF TRIPHENYLMETHANE COMPOUNDS

Pigmentary Opal Sulfate is made by combining triphenylpararosaniline (Opal Blue) with a dilute acid. The pigmentary Opal Sulfate is a substitute for Alkali Blue. The most preferred process for producing the pigmentary Opal Sulfate involves drowning a solution of Opal Blue in a highly agitated soluti...

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Bibliographische Detailangaben
Hauptverfasser: BRIAN DALE TEUNIS, ANAND S G SHARANGPANI, FLOYD GREGORY SPENCE
Format: Patent
Sprache:eng
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Zusammenfassung:Pigmentary Opal Sulfate is made by combining triphenylpararosaniline (Opal Blue) with a dilute acid. The pigmentary Opal Sulfate is a substitute for Alkali Blue. The most preferred process for producing the pigmentary Opal Sulfate involves drowning a solution of Opal Blue in a highly agitated solution of dilute sulfuric acid. The monosulfate of triphenylpararosaniline is particularly preferred.