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|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)|
Patent Claim Types:|
see list of patent claims
|Country||Document Number||Publication Date||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Mexico||9305230||Feb 28, 1994|
|Canada||2104917||Mar 01, 1994|
|Germany||69315406||Mar 19, 1998|
|Germany||69315406||Jan 08, 1998|
|Austria||160503||Dec 15, 1997|
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