Cerium-based abrasive, production process thereof

Details Cerium-based abrasive, production process thereof Cerium-based abrasive, production process thereof

2006-01-17

2006-01-17

Marcheschi, Michael (Department: 1755)

Abrasive tool making process, material, or composition

With inorganic material

C106S003000

Reexamination Certificate

active

06986798

ABSTRACT:
A mixed light rare earth compound which has been obtained by chemically removing medium-to-heavy rare earth elements, Nd and impurities other than rare earth elements from an ore containing rare earth elements is fired at 500 to 1100° C. to yield a mixed rare earth oxide. A cerium-based rare earth fluoride is added to the mixed rare earth oxide to obtain a mixture. The mixture is subjected to wet-pulverization, drying, firing, disintegration and classification to thereby yield a cerium-containing abrasive.

REFERENCES:
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patent: 2000-017195 (2000-01-01), None
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patent: 2000303060 (2000-10-01), None
patent: 2002-097457 (2002-04-01), None

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