Gas-permeable lens
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Aug 12, 1980
Grant Date -
N/A
app pub date -
Mar 5, 1979
filing date -
Oct 12, 1976
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention comprises a gas-permeable contact lens consisting essentially of a plasticized cellulose resin selected from a partially esterified or partially etherified cellulose polymer plasticized with a compatible plasticizer in an amount sufficient to increase the gas permeability of the cellulose resin.
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Cited Art Landscape
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