Cerium oxide-metal/metalloid oxide mixture

Details Cerium oxide-metal/metalloid oxide mixture Cerium oxide-metal/metalloid oxide mixture

1997-04-25

1999-04-27

Jones, Deborah

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51308, 106 3, C09C 168

Patent

active

058976752

ABSTRACT:
A finely-divided cerium metal/metalloid oxide mixture, containing pyrogenically produced metal/metalloid oxide and 0.001 to 95 wt. % cerium oxide, has a specific surface area between 10 and 400 m.sup.2 /g. The mixture is produced by mixing pyrogenically produced metal/metalloid oxide, having a specific surface area between 30 and 400 m.sup.2 /g, with a cerium compound decomposable to an oxide at elevated temperature, the cerium compound being thermally decomposed to the oxide. The cerium oxide-metal/metalloid oxide mixture can be used as a polishing agent or filler.

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