Contact lens cleaning composition

Details Contact lens cleaning composition Contact lens cleaning composition

1976-04-06

1977-09-06

Pitlick, Harris A.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

134 2, 134 40, 134 42, 252542, 252DIG7, C11D 194, C11D 188

Patent

active

040467066

ABSTRACT:
A composition for cleaning contact lenses is provided. The composition comprises a poly(oxyethylene)-poly(oxypropylene) block copolymer having a molecular weight between about 1900 and 15,500, a water solubility in excess of about 10 gms per 100 ml, a cloud point in 1% aqueous solutions above about 30.degree. C, and a foam height in excess of 30 mm; a microbial growth inhibitor; ethyl or isopropyl alcohol; an amphoteric surfactant; and water.

REFERENCES:
patent: 2773068 (1956-12-01), Mannheimer
patent: 2781356 (1957-02-01), Mannheimer
patent: 3882036 (1975-05-01), Krezanoski et al.
patent: 3884826 (1975-05-01), Phares et al.
patent: 3888782 (1975-06-01), Bognosian et al.
patent: 3925241 (1975-12-01), Schmolka
patent: 3954644 (1976-05-01), Krezanoski
patent: 3969281 (1976-07-01), Sharp
Hackh's Chemical Dictionary, 4th Ed., McGraw Hill Book Co., New York, 1969, p. 249.

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