Spin casting
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United States of America Patent
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-
Jan 3, 1984
Grant Date -
N/A
app pub date -
Jul 27, 1982
filing date -
Jul 27, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of using centrifugal force to reduce the effects of surface tension, viscosity and gravity on the shape of the concave surface in the spin casting of contact lenses.
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