Treating of contact lenses with compositions comprising PVP-H202

Details Treating of contact lenses with compositions comprising PVP-H202 Treating of contact lenses with compositions comprising PVP-H202

1992-12-30

1994-11-15

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

422 30, 422 34, 424 7804, 424616, 514 2, A61L 200, A61L 900

Patent

active

053646010

ABSTRACT:
A composition and method for disinfecting and cleaning contact lenses is taught wherein the lenses are contacted with a composition including solid PVP-H.sub.2 O.sub.2 and a solid neutralizing component for neutralizing residual H.sub.2 O.sub.2. The composition may also include a preserved saline solution in which the composition components are contacted with the lenses substantially simultaneously. The neutralizer component may be a metal catalyst, a chemical salt or an enzyme. The effect of the neutralizer component may be delayed until after disinfecting is complete.

REFERENCES:
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patent: 3549747 (1970-12-01), Krezanoski
patent: 3912451 (1975-10-01), Gaglia, Jr.
patent: 4525346 (1985-06-01), Stark
patent: 4568517 (1986-03-01), Kaspar et al.
patent: 4585488 (1986-04-01), Giefer
patent: 4748992 (1988-06-01), Giefer
patent: 4767559 (1988-08-01), Kruse et al.
patent: 5008106 (1991-04-01), Merianos et al.
patent: 5011661 (1991-04-01), Schafer et al.
patent: 5130124 (1992-07-01), Merianos et al.
patent: 5145644 (1992-09-01), Park et al.
The Condensed Chemical Dictionary, 8th Edition, Reinhold Publishing Corp., 1971, p. 412.

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