Process for reproducibly preparing uniform dry ink compositions

Details Process for reproducibly preparing uniform dry ink compositions Process for reproducibly preparing uniform dry ink compositions

1982-08-04

1984-02-28

Kight, III, John

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20, 106 23, 524543, C09D 1114

Patent

active

044340079

ABSTRACT:
The present invention concerns our discovery that a water-soluble cationic dye and binder composition may be dissolved in a solvent, and, optionally, a magnetic material may be uniformly dispersed within said solvent solution. The resulting solution or mixture is agitated with a hot water solution comprising an ionizable salt whereby there is essentially no partitioning of the cationic dyestuff into the aqueous phase. During the intermixing step, the solvent is driven off, thereby providing a solid mixture of ink which may be pulverized and used in a wide variety of printing processes.

REFERENCES:
patent: 4105572 (1978-08-01), Gorondy
patent: 4145300 (1979-03-01), Hendriks
patent: 4246331 (1981-01-01), Mehl et al.

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