Use of carbon dioxide and carbonic acid to clean contact lenses

Details Use of carbon dioxide and carbonic acid to clean contact lenses Use of carbon dioxide and carbonic acid to clean contact lenses

1998-06-18

1999-06-08

Warden, Jill

Cleaning and liquid contact with solids

Processes

Miscellaneous

134424, C11D 310

Patent

active

059097450

ABSTRACT:
Simple, efficacious, easily manufacturable, convenient to use and cost-effective contact lens care cleaning compositions comprising carbon dioxide and carbonic acid as cleansing agents are disclosed. The compositions do not require abrasive agents such as polymeric beads, nor ocularly irritating agents such as enzymes or surfactants in order to effectively clean proteinaceous and nonproteinaceous deposits from the surface of contact lenses. Also disclosed is a one-step cleaning and disinfecting regimen, whereby an effervescent tablet composition capable of generating carbon dioxide and carbonic acid is dissolved in a disinfecting solution or rinsing/disinfecting/storage solution.

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patent: 5783532 (1998-07-01), Huth

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