Cerium-based abrasive material and abrasive material slurry,...

Details Cerium-based abrasive material and abrasive material slurry,... Cerium-based abrasive material and abrasive material slurry,...

2005-09-20

2005-09-20

Marcheschi, Michael (Department: 1755)

Abrasive tool making process, material, or composition

With inorganic material

C051S309000, C423S263000

Reexamination Certificate

active

06946009

ABSTRACT:
There is provided a cerium-based abrasive containing cerium oxide as a main component, in which the abrasive particles composing the abrasive are coated with a coating layer containing at least either one of a silicon component of silicon or a silicon compound and an aluminum component of aluminum or an aluminum compound. The cerium-based abrasive can be produced by wet-dispersing the cerium-based abrasive in a dispersion medium to obtain a slurry and carrying out surface treatment by adding a treatment solution containing at least either one of the silicon compound and the aluminum compound to the slurry. Further, the cerium-based abrasive can be produced by carrying out surface treatment by adding a treatment solution containing at least either one of the silicon compound and the aluminum compound to the slurry during the pulverization step or after the pulverization step in the conventional cerium-based abrasive production process and after that roasting and classifying the obtained cerium-based abrasive.

REFERENCES:
patent: 5766279 (1998-06-01), Ueda et al.
patent: 6299659 (2001-10-01), Kido et al.
patent: 6534044 (2003-03-01), Wada et al.
patent: 6730245 (2004-05-01), Hampden-Smith et al.
patent: 874036 (1998-10-01), None
patent: 2000-265160 (2000-09-01), None
patent: 2001-284296 (2001-10-01), None
patent: WO 00/08678 (2000-02-01), None

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