Monoazo lake pigment composition and gravure ink using the same

Details Monoazo lake pigment composition and gravure ink using the same Monoazo lake pigment composition and gravure ink using the same

2006-01-24

2006-01-24

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

C106S031790, C106S031800, C106S496000, C106S499000, C534S579000, C534S591000

Reexamination Certificate

active

06989055

ABSTRACT:
A monoazo lake pigment composition containing a monoazo lake pigment obtained from a laked pigment aqueous slurry prepared by conducting coupling of a diazo component obtained by diazotizing an aromatic amine having a soluble group and a coupler component and conducting laking after or simultaneously with the coupling, wherein the laking is carried out in the presence of a water-soluble acrylic polymer in an amount of 0.1 to 40 parts by weight per 100 parts of the above coupler component, and a gravure ink containing the above pigment composition and a gravure ink vehicle.

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