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US 11,376,275 B2Granted
Ophthalmic compositions with improved dessication protection and retention
AssigneeAlcon Inc.
InventorsJames W. Davis, Howard Allen Ketelson, Elaine E. Campbell, David L. Meadows, Rekha Rangarajan
Life of this patent
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Abstract
The present invention relates to artificial tear compositions and ophthalmic compositions suitable for drug delivery. In one embodiment of the present invention, the compositions comprise a galactomannan polymer such as guar or hydroxypropyl guar, hyaluronic acid, and a cis-diol such as sorbitol. In a preferred embodiment, the to compositions also comprise a borate compound.
Claims8
An ophthalmic composition comprising 0.1 to 0.2 w/v % hydroxylpropyl guar, 0.13 to 0.17 w/v % hyaluronic acid, and 1.0 to 2.0 w/v % cis-diol, wherein said cis-diol is sorbitol.
Dependencies are inferred from the claim text.