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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

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International Patent Family for Patent: 5,540,918

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
JapanH06211694Aug 02, 1994
Austria160503Dec 15, 1997
Germany69315406Jan 08, 1998
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ISSN: 2162-2639

Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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