Liquid composition for contact lenses and method for cleaning a

Details Liquid composition for contact lenses and method for cleaning a Liquid composition for contact lenses and method for cleaning a

1992-04-08

1994-01-25

Albrecht, Dennis

Cleaning and liquid contact with solids

Processes

Combined

134 30, 134 42, 252135, 252139, 252153, 252173, 25217412, 252523, 252DIG12, 252DIG14, 422 26, 422 28, 435188, 514839, A61L 204, C11D 742, C11D 750, C12N 996

Patent

active

052812774

ABSTRACT:
A liquid composition for contact lenses, having from 5 to 40% (w/v) of glycerol and from 4 to 20% (w/v) of boric acid and/or a borate incorporated to a solution containing an effective amount of a protease, in such a ratio that the boric acid and/or the borate is from 10 to 100 parts, preferably 10-20 parts, by weight per 100 parts by weight of the glycerol.

REFERENCES:
patent: 3910296 (1975-10-01), Karageozian et al.
patent: 4404115 (1983-09-01), Tai
patent: 4462922 (1984-07-01), Boskamp
patent: 4537706 (1985-08-01), Severson
patent: 4614549 (1986-09-01), Ogunbiyi et al.
patent: 4670179 (1987-06-01), Inamorato
patent: 4690773 (1987-09-01), Ogunbiyi et al.
patent: 4900366 (1990-02-01), Sibley et al.
patent: 4959179 (1990-09-01), Aronson

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