IP Library Granted Patent US 12,478,639
Granted Patent B2
US 12,478,639 · App. 18/594,231 · Granted Nov 25, 2025

Ocular lubricant formulations

Inventors: William Stringer (Portland, OR); Michael Hanrahan (Portland, OR); Patrick H. Witham (Portland, OR)
Assignee: HARROW IP, LLC
A61K31/79A61F9/0008A61K31/765A61K47/02A61K47/10A61K47/183A61K47/24A61K47/26
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Quick Facts
Patent No.
US 12,478,639
App. No.
18/594,231
Granted
Nov 25, 2025
Kind
B2
Abstract

Provided herein are formulations and compositions for ocular diseases or disorders such as dry eye disease. Further provided herein are methods for manufacturing ocular formulations and compositions.

Claims (24)

1 . A method of treating dry eye, the method comprising administering to a subject in need thereof a composition consisting of:

(a) povidone;

(b) fully hydrolyzed polyvinyl alcohol;

(c) partially hydrolyzed polyvinyl alcohol;

(d) sodium chloride;

(e) boric acid;

(f) disodium edetate dihydrate;

(g) potassium chloride;

(h) glycerin;

(i) ethyl alcohol;

(j) lecithin;

(k) polysorbate 80;

(l) a pH adjusting agent; and

(m) water;

wherein

the fully hydrolyzed polyvinyl alcohol has a molecular weight in a range of 20,000 to 200,000 daltons;

the composition is an ophthalmic composition; and

the composition is preservative free.

2 . The method of claim 1 , wherein the administration improves or replaces damaged tear film in the subject.

3 . The method of claim 1 , wherein the composition is administered to the subject in one or more daily doses.

4 . The method of claim 1 , wherein the composition is administered in a plurality of daily doses.

5 . The method of claim 1 , wherein the composition is administered from a dropper bottle.

6 . The method of claim 1 , wherein the composition is administered four times per day.

7 . The method of claim 1 , wherein an osmolality of the composition is about 200 mOsm/kg to about 400 mOsm/kg.

Assignments (3)
SECURITY INTEREST Recorded Sep 26, 2025
From: HARROW, INC.; HARROW IP, LLC
To: FIFTH THIRD BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 072384/0781 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 10, 2025
From: STRINGER, WILLIAM; HANRAHAN, MICHAEL; WITHAM, PATRICK H.
To: EYEVANCE PHARMACEUTICALS LLC
Reel/Frame 071978/0055 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 10, 2025
From: EYEVANCE PHARMACEUTICALS LLC
To: HARROW IP, LLC
Reel/Frame 071978/0067 →
Continuity (3)
Continuation 17268256
Provisional Application 62725152 · Aug 30, 2018
Related Publication 20240197773A1 · Jun 20, 2024
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