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Last Updated: March 28, 2024

Claims for Patent: 4,639,458


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Summary for Patent: 4,639,458
Title: Tablet and formulation
Abstract:A direct compression tablet formulation containing a non-hydrated quinoline carboxylic acid type antibacterial agent.
Inventor(s): Katdare; Ashok V. (Ambler, PA)
Assignee: Merck & Co., Inc. (Rahway, NJ)
Application Number:06/693,071
Patent Claims: 1. A composition containing by weight, about 80-85% norfloxacin, about 13.5-18.5% microcrystallin cellulose, about 0.5-2% magnesium stearate, and about 1-4.5% croscarmellose sodium.

2. The composition of claim 1 containing a trace amount of colorant.

3. A tablet prepared from the composition of claim 1 or 2.

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