Method for producing vattable organic pigments

Details Method for producing vattable organic pigments Method for producing vattable organic pigments

2006-06-06

2006-06-06

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Materials or ingredients

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

C106S412000, C106S494000, C106S495000, C106S496000, C106S497000, C106S498000

Reexamination Certificate

active

07056378

ABSTRACT:
The invention relates to a method for producing vattable organic pigments. The invention is characterized in that an agueous or an aqueous-organic suspension of a coarse crystalline raw mineral is vatted and re-oxidised, and the pigment suspension is ground to a diameter equal to or less than 0.9 mm during vatting and/or during oxidation by means of an agitator ball mill, which is operated at a power density of more than 1.0 KW per litre per grinding chamber and at an agitator peripheral speed of more than 12 m/s, using grinding bodies.

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Copy of Search Report for PCT/EP 03/02730, mailed Jul. 16, 2003.
English Translation of IPER for PCT/EP 03/02730, Jan. 27, 2005.

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