Production of stable metal oxide sols

Compositions – Inorganic luminescent compositions – Tungsten containing

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106450, 501 1, 501 12, 501103, 501134, 501152, 423608, 423609, 423610, 423335, 423592, 2523156, 252314, B01J 1300, G01G 2304, G01G 2502

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050471740

ABSTRACT:
Stable metal oxide sols comprising an anhydrous alcohol having metal oxide particles colloidally dispersed therein is disclosed. This sol composition is formed by the hydrolysis of a metal alkoxide to form metal oxide particles, removal of the particles from the resulting mother liquor from such a reaction, and the redispersing of the metal oxide powders in an anhydrous alcohol solvent.

REFERENCES:
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patent: 3625856 (1971-12-01), Schaefer
patent: 4543341 (1985-09-01), Barringer et al.
patent: 4770813 (1988-09-01), Watanabe et al.
Fegley et al., "Processing and Characterization of ZrO.sub.2 and Y-Doped ZrO.sub.2 Powders", Ceramic Bulletin, vol. 64, No. 8, 1985.
Chandra, "Qualitative and Kinetic Study . . . ", Ceramic Bulletin, vol. 64, No. 8, 1985.
Derwent Abs. #87-154033/22 of JP-232592, Sumitomo Metal Mining KK (18.10.85).
Derwent Abs. #87-318085/45 of JP-070052, Sumitomo Metal Mining KK (28.03.86).

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