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Last Updated: May 6, 2024

Claims for Patent: 4,551,456

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Summary for Patent: 4,551,456

Title:	Ophthalmic use of norfloxacin and related antibiotics
Abstract:	Norfloxacin and related antibiotics are useful in the treatment of ocular infections by topical administration.
Inventor(s):	Katz; Irving M. (Doylestown, PA)
Assignee:	Merck & Co., Inc. (Rahway, NJ)
Application Number:	06/551,775
Patent Claims:	1. A method of treating ocular bacterial infections which comprises topical ocular administration to an infected eye, of 0.015-1.5 mg of an antibiotic selected from norfloxacin, ofloxacin, pefloxacin, AT-2266 and Bayer 09867, hydrates or ophthalmologically acceptable salts thereof. 2. The method of claim 1 wherein the antibiotic is norfloxacin, a hydrate or ophthalmologically acceptable salt thereof. 3. The method of claim 2 wherein the norfloxacin is administered as an aqueous solution. 4. The method of claim 1 wherein the carrier is a clear physiologically-acceptable liquid which forms a semi-solid gel at human body temperatures.

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