Ophthalmic compositions and methods for preserving and using sam

Details Ophthalmic compositions and methods for preserving and using sam Ophthalmic compositions and methods for preserving and using sam

1990-01-05

1992-12-15

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

514840, 514642, 424 7804, A61L 218, A01N 3312

Patent

active

051715260

ABSTRACT:
Ophthalmic compositions, such as those used to care for contact lenses, methods of preserving such compositions, and methods for disinfecting contact lenses using such compositions are disclosed. The compositions may comprise an ophthalmically acceptable, liquid aqueous medium and, included therein, an effective preserving or disinfecting amount of an ophthalmically acceptable quaternary ammonium substituted matrix material, the matrix material being selected from the group consisting of proteinaceous materials, carbohydrate materials and mixtures thereof.

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