Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1992-03-18
1992-11-17
Dixon, Jr., William R.
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106455, C09C 122
Patent
active
051640058
ABSTRACT:
A black manganese/iron oxide pigment having a spinel structure and having the composition Mn.sub.x Fe.sub.3-x O.sub.4 wherein x has a value from 0.1 to 0.9, is prepared by the steps:
REFERENCES:
patent: 4680130 (1987-07-01), Hibst
Buxbaum Gunter
Kuske Peter
Bayer Aktiengesellschaft
Dixon Jr. William R.
Einsmann Margaret V.
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