Glass article having renewable optical surfaces
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United States of America Patent
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Mar 24, 1987
Grant Date -
N/A
app pub date -
Nov 29, 1984
filing date -
Dec 7, 1983
priority date (Note) -
Expired
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Abstract
A transparent glass article, e.g., for use as an inspection window in contact with water, including at least a surface layer of a glass which is adapted to dissolve at a preselected uniform rate. Slow dissolution of the glass provides a continuously renewable clear surface.
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