Process for producing colorants

Details Process for producing colorants Process for producing colorants

2006-09-19

2006-09-19

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Carboxylic acid or salt thereof

C008S598000, C008S552000, C008S938000

Reexamination Certificate

active

07108728

ABSTRACT:
The present invention provides a colorant for inkjet inks which is free from mechanical selectivity, high in light-durability, high in reliability and low in cost.By paying attention to the chemical properties of coloring matter substances and utilizing the technical rules accumulated in the past faithfully to the properties of the coloring matter substances, an epoch-making process for producing fine-particulate colorants by a method comprising five simple steps is provided.

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