Contact lens disinfecting and preserving solution comprising chl

Details Contact lens disinfecting and preserving solution comprising chl Contact lens disinfecting and preserving solution comprising chl

1981-03-12

1982-10-19

Willis, Jr., P. E.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252542, 252545, 252546, 252DIG14, C11D 184, C11D 348

Patent

active

043549527

ABSTRACT:
A disinfecting and/or preserving solution for contact lenses is disclosed. The disinfecting solution is an aqueous solution containing 0.0035 to 0.04 weight percent of an amphoteric surfactant in combination with 0.0005 to 0.01 weight percent of chlorhexidine and 0.002 to 0.025 weight percent of a non-ionic surfactant, optionally together with up to 0.5 weight percent of thimerosal or other enhancers and optional buffers and the like. The binding (or uptake) of preservative by a hydrophilic soft contact lens is reduced by this invention.

REFERENCES:
patent: Re29693 (1978-07-01), Phares
patent: 3884826 (1975-05-01), Phares et al.
patent: 3888782 (1975-06-01), Boghosian
patent: 4013576 (1977-03-01), Loeshek
patent: 4046706 (1977-09-01), Krezanoski
patent: 4104187 (1978-08-01), Sibley et al.
patent: 4199567 (1980-04-01), Rankin
patent: 4259202 (1981-03-01), Tanaka et al.

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