Peroxide disinfection method and devices therefor

Details Peroxide disinfection method and devices therefor Peroxide disinfection method and devices therefor

1993-08-26

1995-11-21

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

134142, 422 28, 422 40, 514839, 514840, A61L 216

Patent

active

054684480

ABSTRACT:
A method of disinfecting a hydrogen peroxide stable contact lens is provided wherein a contact lens is contacted with a hydrogen peroxide solution in a container and a hydrogen peroxide decomposition means is provided in said container, which means is adapted to permit the contact lens to have a cumulative (% peroxide) (min) exposure from the time said decomposition means contacts said peroxide containing solution, time zero, over a period of no greater than 12 hours of at least 20% peroxide.multidot.minute. An apparatus capable of carrying out such method is also provided herein. The hydrogen peroxide decomposition means may be, for example, a prepoisoned catalyst, a catalyst partially enclosed in a tube, a dual catalyst control system or a distributed catalyst control system.

REFERENCES:
patent: 3912451 (1975-10-01), Gaglia, Jr.
patent: 5011661 (1991-04-01), Schafer et al.
patent: 5077258 (1991-12-01), Phillips et al.
patent: 5306352 (1994-04-01), Nicolson et al.

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