Preparation of stannic oxide

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

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106 3, C01G 1902

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040482944

ABSTRACT:
An improved method is provided to reproducibly obtain stannic oxide of a type suitable for polishing plastic lenses. The optical density, bulk density and color of the oxide are within specified limits.

REFERENCES:
patent: 489624 (1893-01-01), Bertou
patent: 529100 (1894-11-01), Bang et al.
patent: 824398 (1906-06-01), Acker
patent: 1119547 (1914-12-01), Spitz
patent: 1529261 (1925-03-01), Lubowsky
patent: 2621109 (1952-12-01), Richter

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