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Serving hundreds of leading biopharmaceutical companies globally:

US Department of Justice
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Farmers Insurance

Generated: May 23, 2018

DrugPatentWatch Database Preview

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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,551,456
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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