Contact lens preserving solution containing ascorbic acid or sal

Details Contact lens preserving solution containing ascorbic acid or sal Contact lens preserving solution containing ascorbic acid or sal

1983-06-13

1984-12-25

Robinson, Douglas W.

Drug, bio-affecting and body treating compositions

Nonspecific immunoeffector, per se ; or nonspecific...

Synthetic polymer or copolymer

252106, 252173, A61K 31365, C11D 348, C11D 0000

Patent

active

044903898

ABSTRACT:
A method for sterilizing contact lenses and especially hydrophilic (soft) contact lenses comprising contacting a contact lens for a period of time sufficient to sterilize the lens with a substantially isotonic, aqueous composition having a pH between about 6-9 comprising about 0.01 to about 0.3 percent by weight of an ene-diol compound and from about 0.1 to about 25 ppm copper ion. Preferred ene-diol compounds are ascorbic acid and dihydroxymaleic acid.

REFERENCES:
patent: 3065139 (1962-11-01), Ericsson et al.
patent: 3681492 (1972-08-01), Kotzbauer
patent: 3689673 (1972-09-01), Phares
patent: 3888782 (1975-06-01), Boghosion et al.
patent: 4367157 (1983-01-01), Sherman
patent: 4401582 (1983-08-01), Sherman
Chem. Abst. 59, 1996(f) (1963)-Colobert.
Chem. Abst. 67, 47,089(j) (1967)-Saikovska et al.

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