Cleaning and conditioning solutions for contact lenses and metho

Details Cleaning and conditioning solutions for contact lenses and metho Cleaning and conditioning solutions for contact lenses and metho

1986-01-22

1989-04-11

Willis, Prince E.

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

134 26, 134 42, 252106, 252173, 25217421, 252548, 252DIG14, 514839, C11D 144, C11D 348, B08B 3000

Patent

active

048203521

ABSTRACT:
Contact lens cleaning compositions comprising preserved surfactant-containing solutions of a poly(oxypropylene)-poly(oxyethylene) adduct of ethylene diamine having a molecular weight from about 7500 to as high as 27,000 wherein at least 40 weight percent of the adduct is poly(oxyethylene) hydrophilic units. The solutions are effective in removing protein/lipid tear film deposits on both hard and soft contact lenses while providing a prophylactic-like action in retarding the formation of subsequent tear film deposits. The compositions provide effective cleaning and conditioning action using both ambient and high temperature disinfection methods.

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patent: 4048122 (1977-09-01), Sibley et al.
patent: 4127423 (1978-11-01), Rankin
patent: 4323467 (1982-04-01), Fu
patent: 4388229 (1983-06-01), Fu
patent: 4440662 (1984-04-01), Tsuzuki et al.

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