Method for cleaning contact lens with dissolving abradant

Details Method for cleaning contact lens with dissolving abradant Method for cleaning contact lens with dissolving abradant

1988-02-08

1990-02-13

Willis, Prince E.

Cleaning and liquid contact with solids

Processes

Miscellaneous

252 891, 252135, 252DIG14, B08B 700, C11D 304

Patent

active

049003666

ABSTRACT:
A composition is disclosed useful for cleaning hard and soft contact lenses, in which cleansing action is provided by a relatively soft abradant particulate sparingly soluble room temperature solid organic acid or inorganic salt, preferably in combination with one or more surfactants. The particulate material effectively removes deposits from the lens, and readily dissolves on the application of water.

REFERENCES:
patent: 3944506 (1976-03-01), Hramchenko et al.
patent: 3981826 (1976-09-01), Munro
patent: 4394179 (1983-07-01), Ellis et al.
patent: 4588444 (1986-05-01), Anderson
patent: 4655957 (1987-04-01), Chromecek et al.
patent: 4734222 (1988-03-01), Winterton et al.
European Search Report EP 88 10 2092.
The Condensed Chemical Dictionary, Seventh Edition Reinhold Publishing Co., N.Y., p. 130.
CRC Handbook of Chemistry and Physics, CRC Press, Inc., Boco Ratan, Fla., 65th Ed. (1984-85), pp. B125+144.

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