Pigment product

Details Pigment product Pigment product

1988-01-19

1990-03-20

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523334, 523351, 523352, 106 23, 106262, C08L 302

Patent

active

049102362

ABSTRACT:
An ink is produced without flushing by forming both an emulsion of a selected organic liquid and water and an aqueous suspension of a pigment. The emulsion and the pigment are then mixed together, whereby the pigment is phase-transferred from the aqueous phase to the non-aqueous phase, and whereby a mixture is formed. The mixture is concentrated (e.g. via filtration) and added to an ink mixing tank where the remaining water is removed by evaporation and wherein the remaining ingredients are added so that the ink is produced.

REFERENCES:
patent: 4535151 (1985-08-01), Fournier
patent: 4595417 (1986-06-01), Murakami
patent: 4634471 (1987-01-01), Foye
patent: 4705567 (1987-11-01), Hair

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