Water-resistant black flexographic ink

Details Water-resistant black flexographic ink Water-resistant black flexographic ink

1980-10-24

1982-03-23

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

106 22, 8680, 544348, C08L 0000

Patent

active

043211780

ABSTRACT:
The ammonium salt of Nigrosine Sulfonic Acid, a novel compound, has been discovered to produce a black flexographic ink with superior water-resistance properties.

REFERENCES:
patent: 1841876 (1932-01-01), Buc
patent: 2567964 (1951-09-01), Petke
patent: 2772175 (1956-11-01), Beatty

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