Process for preparing quinacridones

Details Process for preparing quinacridones Process for preparing quinacridones

1996-09-17

1998-12-08

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 49, C09B 4800

Patent

active

058471430

ABSTRACT:
This application relates to a process for preparing quinacridones whereby the corresponding dihydroquinacridone is oxidized by subjecting a paste containing the dihydroquinacridone and an oxidizing agent to a high shear force mixing step.

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