Method for cleaning or preserving a contact lens by means of liquid composition
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United States of America Patent
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Oct 24, 1995
Issued Date -
N/A
app pub date -
Jun 17, 1994
filing date -
Jun 18, 1990
priority date (Note) -
Expired
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Abstract
A liquid composition for contact lenses, which comprises from 0.01 to 5% (W/V) of a protease, from 5 to 30% (W/V) of a polyhydric alcohol, from 1 to 5% (W/V) of an alkali metal salt and from 0.5 to 20% (W/V) of a surfactant.
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