Chrome oxide green, a process for its preparation and its use

Details Chrome oxide green, a process for its preparation and its use Chrome oxide green, a process for its preparation and its use

1988-10-19

1990-09-18

Rosenberg, Peter D.

Compositions: coating or plastic

Materials or ingredients

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

C09C 134

Patent

active

049575627

ABSTRACT:
Chrome green oxide useful, inter alia, as a coloring material and having a water number of 10 to 40 g/100 g is prepared by adding sulphonic acid compounds, polyphosphoric acid compounds, polyacrylic acid compounds or mixtures thereof, in quantities of from 0.1 to 2% by weight, to an aqueous suspension of chrome oxide green pigment having a BET surface area of from 1 to 20 m.sup.2 /g before drying, and then drying the suspension.

REFERENCES:
patent: 4040860 (1977-08-01), Mansmann
patent: 4067747 (1978-01-01), Mansmann

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