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Last Updated: December 29, 2025

Claims for Patent: 6,309,658

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Summary for Patent: 6,309,658

Title:	Treatment of contact lenses with aqueous solution comprising a carbonate salt for enhanced cleaning
Abstract:	The present invention provides methods and compositions for cleaning and disinfecting contact lenses, which compositions comprise a carbonate or bicarbonate salt, a non-carbonate buffer system, an antimicrobial agent, and a non-ionic surfactant. Products according to the present invention, especially multi-purpose solutions, provide simultaneous disinfection and cleaning of contact lenses including the prevention or removal of protein and lipid deposits and other debris.
Inventor(s):	Erning Xia, Lisa C. Simpson, John Denick, Jr.
Assignee:	Bausch and Lomb Inc
Application Number:	US09/190,790

Details for Patent 6,309,658

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Corza Medical Gmbh	TACHOSIL	fibrin sealant patch	Patch	125351	April 05, 2010	⤷ Get Started Free	2018-11-12
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

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