Aqueous antimicrobial opthalmic solutions comprised of quaternary ammonium compound, citric acid, citrate and sodium chloride

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United States of America Patent

PATENT NO 5037647
SERIAL NO

07244974

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Abstract

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Hypotonic contact lens care compositions containing a quaternary ammonium antimicrobial agent (e.g. Polyquad.RTM.) and an anionic complexing agent (e.g. citrate) are disclosed. The compositions are useful in the disinfection of hydrophilic contact lenses, particularly Group IV lenses, and in the preservation of products for treating such lenses. Methods for use of the compositions for disinfecting and preserving are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
ALCON RESEARCH LTD6201 SOUTH FREEWAY IP LEGAL TB4-8 FORT WORTH TX 76134-2099

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chowhan, Masood A Arlington, TX 76 687
Harris, R Gregg Fort Worth, TX 1 40
Helton, Danny O Joshua, TX 7 86
Luthy, Connie L Dallas, TX 1 40

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