Inorganic pigment comprising a solid solution of differing spinels
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United States of America Patent
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May 13, 1980
Grant Date -
N/A
app pub date -
Dec 26, 1978
filing date -
Dec 26, 1978
priority date (Note) -
Expired
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Abstract
An inorganic pigment is disclosed comprising a solid solution of a solvent spinel containing a solute of a differing spinel, characterized in that the solvent spinel is lithium based and has a highly ordered structure. The solvent spinel is that lithium-based varient of the cubic spinel phase having a uniform cubic ordering of metal cations about at least the tetrahedral or the octahedral sites of symmetry in the spinel lattice. The ordering of the metal cations with respect to either the tetrahedral or octahedral sites, and preferably both, is in ionic ratios of whole numbers and comprises two different metal ions of differing charges.
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