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US 11,452,779 B2Granted
Fluorescein and benoxinate compositions
AssigneeParagon Bioteck, Inc.
InventorsPatrick H. Witham, Sailaja Machiraju
Life of this patent
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Abstract
Compositions comprising a fluorescein component and benoxinate component and the corresponding uses of these compositions are described herein. These compositions have improved storage life and the fluorescein component and/or benoxinate component minimally degrade after 12 to 18 months of storage.
Claims25
A kit comprising:
- (a) a composition, wherein the composition comprises a fluorescein component and a benoxinate component;
- and (b) a glass container;
- wherein the composition comprises a total impurity of about 1.5% or less by weight, and wherein the total impurity comprises one or more impurities with relative retention times from about 0.10 to about 1.90 under HPLC Method A.
Dependencies are inferred from the claim text.