Compositions: coating or plastic – Materials or ingredients
Patent
1976-08-20
1978-02-21
Garvin, Patrick P.
Compositions: coating or plastic
Materials or ingredients
106292, 106299, 106301, 106302, 106306, 106304, C09C 100, C01G 102
Patent
active
040750299
ABSTRACT:
An inorganic pigment and its process of manufacture are disclosed, characterized in that the pigment, in contrast to substitution of one or more metal ions into a given spinel crystal structure, is a solid solution comprising at least a double spinel structure, that is, a first cubic spinel crystal structure containing within such lattice the spinel-forming metal oxides of at least a second, differing spinel. As a result, the present inorganic multiple spinel solid solution pigments can be varied over a wide range of compositional make-up and yet, conversely, easily adjust to even slight compositional changes by varying the amounts or components of the first spinel and/or the spinel-forming metal oxides. The resulting pigments correspondingly can produce a wide range of colors and are yet capable of even small nuances of changes in color.
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patent: 3214283 (1965-10-01), Chopoorian
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Ferro Corporation
Garvin Patrick P.
Howard J. V.
Simmons Milton L.
Taylor Wesley B.
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