Heat resistant yellow pigments, processes for their preparation and their use
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United States of America Patent
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-
Mar 29, 1988
Grant Date -
N/A
app pub date -
Oct 27, 1986
filing date -
Nov 6, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Heat resistant iron oxide yellow pigments containing aluminium compounds of the formular (AlO).sub.x PO.sub.4 (OH).sub.x-3 where x is a value from 3 to 10 is prepared by applying the aluminum compund to an iron oxide pigment and is useful as a coloring agent in lacquers and synthetic thermoplastic materials.
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