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US 5,174,984 AGranted
Ceric oxide with new morphological characteristics and method for obtaining same
AssigneeRhone-Poulenc Chimie
InventorJean-Luc Le Loarer
Life of this patent
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Abstract
A ceric oxide having a specific surface of at least 15 m.sup.2 /g, measured after calcination at a temperature of between 800.degree. and 900.degree. C.
Claims12
A ceric oxide which has a specific surface of at least 15 m.sup.2 /g, measured after calcination at a temperature of between 800 and 900.degree. C.
A ceric oxide, which has a specific surface of between 70 and 160 m.sup.2 /g, measured after calcination at a temperature of between 350.degree. C. and 450.degree. C., and that it retains a specific surface of at least 15 m.sup.2 /g when it is subjected to a temperature of between 800.degree. C. and 900.degree. C.
Dependencies are inferred from the claim text.