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Details for Patent: 5,540,918

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Summary for Patent: 5,540,918

Title: Use of certain anionic surfactants to enhance antimicrobial effectiveness of ophthalmic compositions
Abstract:Certain anionic surfactants are used to enhance antimicrobial effectiveness in comfortable, sustained release ophthalmic compositions containing polyelectrolytes, such as carboxyvinyl polymers, polystyrene sulfonic acid polymers and cationic exchange resins, as well as at least one active ingredient.
Inventor(s): Castillo; Ernesto J. (Arlington, TX), Ali; Yusuf (Fort Worth, TX)
Assignee: Alcon Laboratories, Inc. (Ft. Worth, TX)
Application Number:08/472,446
Patent Claim Types:
see list of patent claims
Composition; Compound;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Alcon Pharms Ltd
BETAXON
levobetaxolol hydrochloride
SUSPENSION/DROPS;OPHTHALMIC021114Feb 23, 2000DISCNNo5,540,918*PED<disabled>Y
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International Patent Family for Patent: 5,540,918

Country Document Number Publication Date
United States of America5520920May 28, 1996
Mexico9305230Feb 28, 1994
Japan2594877Mar 26, 1997
Japan6211694Aug 02, 1994
China, Hong Kong S.A.R.1004773Dec 04, 1998
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